Castlevania: Circle of the Moon/Enemies

Enemies

Stats in parenthesis are for the versions found inside the Battle Arena

Image	Name	Element	HP	STR	DEF	Exp	Location
	Abiondarg	Electric	88 (188)	388 (588)	188 (288)	388 (588)	Underground Waterway Battle Arena
	Adramelech	Dark	1800	380	360	16000	Chapel Tower
	Alraune	Plant	774 (1003)	490 (640)	303 (450)	2500 (5000)	Observation Tower Battle Arena
	Arachne	Earth	330 (430)	420 (590)	288 (348)	1300 (2400)	Catacombs Battle Arena
	Arch Demon	Dark	320	505	400	1000	Catacombs Chapel Tower Underground Warehouse
	Axe Armor	Dark	55	120	130	31	Abyss Stairway Audience Room Outer Wall
	Bat	Dark	5	50	15	4	Catacombs
	Beast Demon	Dark	150	330	250	260	Eternal Corridor Chapel Tower
	Bloody Sword	Poison	30 (55)	220 (600)	500 (1200)	200 (2000)	Chapel Tower Battle Arena
	Bone Head	Fire	24	60	80	7	Catacombs Abyss Stairway
	Bone Tower	Fire	84 (120)	201 (500)	280 (650)	160 (800)	Catacombs Machine Tower Eternal Corridor Chapel Tower Underground Warehouse Battle Arena
	Brain Float	Electric	20	50	25	10	Catacombs Chapel Tower Underground Gallery Underground Waterway Outer Wall
	Camilla	Dark	1500	650	700	80000	Underground Waterway
	Catoblepas	Stone	550 (560)	500 (510)	430 (435)	1800 (2000)	Observation Tower Battle Arena
	Cerberus	Holy	600	150	100	500	Catacombs
	Clinking Man	Dark	80	135	25	21	Audience Room Triumph Hallway
	Coffin	Earth	100	100	35	3	Catacombs
	Dark Armor	Dark	400	680	560	3300	Observation Tower
	Death	Dark	880	600	800	60000	Underground Warehouse
	Death Mantis	Dark	200	318	240	400	Underground Gallery
	Demon Lord	Dark	460 (590)	660 (800)	500 (656)	1950 (4200)	Observation Tower Battle Arena
	Devil	Dark	1080 (1530)	800 (980)	900 (1060)	10000 (30000)	Observation Tower Battle Arena
	Devil Armor	Dark	500	804	714	6600	Battle Arena
	Devil Tower	Stone	10 (50)	140 (560)	200 (700)	17 (600)	Audience Room Battle Arena
	Dracula (1st)	Dark	1100	805	850	150000	Ceremonial Room
	Dracula (2nd)	Dark	3000	1000	1000	0	Sealed Room
File:Castlevania CotM boss-Zombie Dragon.gif	Zombie Dragon	Poison	1400	390	440	15000	Underground Gallery
	Dryad	Plant	120	300	360	300	Underground Warehouse
	Dullahan	Dark	240	550	440	2200	Observation Tower
	Earth Armor	Earth	130	230	280	240	Machine Tower
	Earth Demon	Earth	150	90	85	25	Catacombs
	Ectoplasm	Dark	12	165	51	2	Machine Tower Eternal Corridor
	Electric Skeleton	Electric	42 (150)	80 (400)	50 (200)	30 (700)	Audience Room Outer Wall Battle Arena
	Evil Hand	Poison	52	150	120	63	Eternal Corridor Underground Gallery Underground Waterway
	Evil Pillar	Stone	20 (55)	460 (655)	800 (900)	480 (1500)	Observation Tower Battle Arena
	Fallen Angel	Holy	370	770	770	6000	Battle Arena
	Fishhead	Ice	80	320	504	486	Underground Waterway
	Flame Armor	Fire	160	320	300	280	Triumph Hallway Chapel Tower
	Flame Demon	Fire	300 (680)	315 (650)	270 (600)	600 (4500)	Eternal Corridor Battle Arena
	Fleaman	Dark	60	142	45	29	Catacombs Audience Room Triumph Hallway
	Forest Armor	Plant	370	390	390	1280	Audience Room Underground Warehouse
	Fox Archer	Dark	75	130	59	53	Machine Tower
	Fox Hunter	Dark	100 (160)	290 (510)	140 (220)	272 (600)	Catacombs Underground Warehouse Battle Arena
	Franken	Earth	1200	700	350	2100	Eternal Corridor
	Frozen Shade	Ice	112	490	560	1212	Machine Tower Underground Waterway Observation Tower
	Gargoyle	Wind	60	160	66	3	Abyss Stairway Machine Tower
	Ghoul	Dark	100	190	79	3	Eternal Corridor Chapel Tower
	Golem	Stone	650	520	700	1400	Underground Warehouse
	Gorgon	Stone	230	215	165	219	Eternal Corridor Chapel Tower
	Gremlin	Wind	30	80	33	2	Catacombs Abyss Stairway
	Grizzly	Dark	600	380	200	960	Catacombs Chapel Tower Underground Warehouse
	Harpy	Wind	120	275	200	271	Underground Gallery
	Heat Shade	Fire	80	240	200	136	Audience Room Machine Tower Chapel Tower Observation Tower
	Hipogriff	Wind	300 (500)	500 (620)	210 (280)	740 (1900)	Chapel Tower Underground Warehouse Battle Arena
	Holy Armor	Holy	350	420	450	1700	Underground Warehouse
	Hopper	Dark	40	87	35	8	Catacombs
	Hugh	Holy	1400	570	750	120000	Observation Tower
	Hyena	Dark	93 (210)	140 (408)	70 (170)	105 (1000)	Machine Tower Chapel Tower Battle Arena
	Ice Armor	Ice	240	470	520	1500	Underground Waterway
	Ice Demon	Ice	350	492	510	4200	Underground Waterway
	Imp	Dark	90	220	99	103	Audience Room Underground Gallery
	Iron Golem	Stone	640	290	450	8000	Machine Tower
	Killer Bee	Poison	8	308	108	88	Eternal Corridor Underground Gallery
	King Moth	Poison	140	290	160	150	Underground Warehouse Underground Gallery
	Legion	Dark	420 (540)	610 (760)	375 (480)	1590 (2900)	Observation Tower Battle Arena
	Lilim	Dark	400	800	800	8000	Machine Tower
	Lilith	Dark	660	960	960	20000	Underground Warehouse
	Lizardman	Ice	100	345	400	800	Underground Gallery Underground Waterway
	Man Eater	Plant	400	330	233	700	Underground Gallery
	Marionette	Dark	80 (200)	160 (420)	150 (400)	127 (1200)	Chapel Tower Battle Arena
	Medusa Head	Stone	6	120	60	2	Machine Tower
	Merman	Ice	60	303	301	10	Underground Waterway
	Mimic Candle	Poison	990	600	600	6600	Chapel Tower
	Minotaur	Earth	410 (580)	520 (700)	640 (715)	2000 (4100)	Observation Tower Battle Arena
	Mudman	Earth	25	79	30	2	Catacombs
	Mummy	Earth	100	100	35	3	Catacombs
	Myconid	Plant	50	250	114	25	Underground Gallery
	Necromancer	Dark	500	200	250	2500	Audience Room
	Nightmare	Dark	250	550	550	2000	Outer Wall
	Poison Armor	Poison	260 (380)	382 (680)	310 (634)	822 (3600)	Audience Room Underground Gallery Battle Arena
	Poison Worm	Poison	120	30	20	12	Catacombs
	Poltergeist	Dark	105	360	380	510	Underground Warehouse
	Scary Candle	Poison	150	300	300	900	Machine Tower
	Siren	Wind	160	443	300	880	Underground Waterway Observation Tower
	Skeleton	Dark	25 (150)	65 (400)	45 (200)	4 (500)	Catacombs Abyss Stairway Audience Room Triumph Hallway Machine Tower Battle Arena
	Skeleton Athlete	Dark	100	100	50	25	Chapel Tower
	Skeleton Bomber	Fire	20 (150)	50 (400)	40 (200)	4 (550)	Sealed Room Catacombs Chapel Tower Outer Wall Battle Arena
	Skeleton Boomerang	Wind	60	170	90	112	Machine Tower Eternal Corridor
	Skeleton Knight	Dark	50	140	80	39	Machine Tower Eternal Corridor Chapel Tower
	Skeleton Medalist	Wind	250	100	100	1500	Sealed Room
	Skeleton Soldier	Dark	35	90	60	16	Abyss Stairway Audience Room
	Skeleton Spear	Dark	30 (150)	65 (400)	46 (200)	6 (580)	Catacombs Battle Arena
	Slime	Poison	40	102	18	11	Catacombs Abyss Stairway Audience Room Machine Tower
	Spearfish	Ice	40	360	450	280	Underground Waterway
	Specter	Fire	15	295	95	3	Underground Gallery
	Spirit	Fire	9	55	17	1	Catacombs
	Stone Armor	Stone	90 (260)	220 (585)	320 (750)	222 (3000)	Catacombs Machine Tower Battle Arena
	Succubus	Dark	150 (300)	400 (670)	350 (630)	710 (3100)	Audience Room Chapel Tower Underground Warehouse Battle Arena
	Thunder Armor	Electric	204	340	320	800	Machine Tower Chapel Tower Underground Warehouse Underground Gallery
	Thunder Demon	Electric	180	270	230	450	Machine Tower Chapel Tower
	Trick Candle	Poison	200	400	400	1400	Catacombs
	Were-bear	Dark	265	250	140	227	Eternal Corridor Chapel Tower
	Were-horse	Earth	400	540	360	1970	Outer Wall
	Were-jaguar	Dark	270 (320)	416 (518)	170 (260)	760 (1200)	Chapel Tower Outer Wall Battle Arena
	Were-panther	Dark	200	300	130	270	Chapel Tower
	Were-wolf	Poison	160 (340)	265 (525)	110 (180)	140 (1100)	Machine Tower Battle Arena
	White Armor	Light	640	770	807	7000	Battle Arena
	Wight	Dark	110	235	87	4	Underground Warehouse Underground Gallery
	Will O'Wisp	Fire	11	110	16	9	Audience Room Triumph Hallway Outer Wall
	Wind Armor	Wind	320	500	460	1800	Underground Waterway Outer Wall
	Wind Demon	Wind	400 (490)	540 (600)	490 (540)	3600 (4000)	Audience Room Battle Arena
	Witch	Dark	144 (210)	330 (480)	290 (340)	600 (1000)	Audience Room Eternal Corridor Underground Waterway Battle Arena
	Zombie	Dark	48	70	20	2	Catacombs Triumph Hallway
	Zombie Thief	Wind	120	185	30	58	Catacombs Machine Tower

Item drops

All enemies, except for bosses drop two items: a common item and a rare item. Bosses never drop anything and the Battle Arena versions of enemies drop the same items as their common counterparts. DSS Cards can only be picked up once.

The actual probability of an enemy dropping an item is determined by your luck (LCK) stat. The formula to determine the probability is:

Probability = Rate + (Rate * (Luck - 100) / 200)

If you have a luck stat of 100 (the starting rate for the first four modes), the actual probability is the base rate. Drop rates are capped at 50% for common items and 25% for rare items. Luck does not effect how often enemies drop small and large hearts.

Name	Common	C. Rate	Rare	R. Rate
Abiondarg	Potion	1.25%	Spiced Meat	0.30%
Alraune	Magic Robe	1.00%	Potion Ex	0.50%
Arachne	Heart High	1.60%	Heart Mega	0.50%
Arch Demon	Cursed Ring	3.00%	Apollo card	1.40%
Axe Armor	Leather Armor	4.00%	Mandragora card	1.50%
Bat	Wrist Band	2.50%	Heart	0.50%
Beast Demon	Arm Guard	4.00%	Cursed Ring	1.00%
Bloody Sword	Arm Guard	5.00%	Mars card	1.20%
Bone Head	Mercury card	20.00%	Heart	1.00%
Bone Tower	Heart	2.00%	Heart High	0.75%
Brain Float	Leather Armor	5.00%	Mind Restore	0.75%
Catoblepas	Heart High	2.00%	Soldier Fatigues	0.50%
Clinking Man	Prison Garb	4.00%	Miracle Armband	1.00%
Coffin	Cotton Clothes	3.00%	Heart	0.75%
Dark Armor	Platinum Armor	2.00%	Double Grips	1.00%
Death Mantis	Hard Ring	5.00%	Cockatrice card	1.50%
Demon Lord	Potion	2.00%	Strength Armband	1.00%
Devil	Potion High	2.00%	Mirror Armor	1.50%
Devil Armor	Potion High	2.50%	Black Dog card	2.50%
Devil Tower	Wrist Band	4.00%	Potion	1.25%
Dryad	Heart High	1.00%	Heart Mega	0.20%
Dullahan	Platinum Armor	2.00%	Thunderbird card	1.40%
Earth Armor	Gauntlet	4.00%	Gold Armor	2.00%
Earth Demon	Magic Gauntlet	15.00%	Serpent card	2.50%
Ectoplasm	Wrist Band	2.00%	Mind Restore	0.40%
Electric Skeleton	Leather Armor	3.00%	Golem card	1.00%
Evil Hand	Prison Garb	2.50%	Intelligence Ring	0.60%
Evil Pillar	Steel Armor	2.00%	Toy Ring	0.25%
Fallen Angel	Heart Ex	2.00%	Saturn card	1.20%
Fishhead	Chain Mail	1.50%	Mind Ex	0.30%
Flame Armor	Bronze Armor	5.00%	Heart Ex	1.00%
Flame Demon	Potion	4.00%	Chain Mail	2.00%
Fleaman	Cotton Clothes	5.00%	Arm Guard	1.25%
Forest Armor	Chain Mail	1.80%	Rainbow Robe	0.45%
Fox Archer	Cotton Robe	2.00%	Silk Robe	1.00%
Fox Hunter	Potion	1.40%	Meat	0.80%
Franken	Ninja Garb	1.20%	Soldier Fatigues	0.75%
Frozen Shade	Magic Gauntlet	3.00%	Star Bracelet	1.00%
Gargoyle	Prison Garb	1.50%	Heart High	0.40%
Ghoul	Prison Garb	2.50%	Heart High	0.30%
Golem	Night Suit	1.30%	Steel Armor	1.00%
Gorgon	Heart	2.50%	Meat	1.00%
Gremlin	Wrist Band	2.50%	Mind Restore	0.50%
Grizzly	Strength Ring	1.50%	Spiced Meat	0.50%
Harpy	Stylish Suit	2.50%	Star Bracelet	0.80%
Heat Shade	Stylish Suit	2.50%	Jupiter card	2.20%
Hipogriff	Meat	1.25%	Heart Ex	0.60%
Holy Armor	Serpent card	5.00%	Platinum Armor	0.50%
Hopper	Cotton Clothes	5.00%	Gauntlet	1.50%
Hyena	Potion	1.50%	Night Suit	0.50%
Ice Armor	Steel Armor	2.50%	Neptune card	1.20%
Ice Demon	Rainbow Robe	2.20%	Diamond Armor	1.20%
Imp	Salamander card	20.00%	Spiced Meat	0.25%
Killer Bee	Antidote	3.00%	Night Suit	0.20%
King Moth	Antidote	3.00%	Heart Ex	0.20%
Legion	Cure Curse	5.00%	Potion High	0.50%
Lilim	Mind High	2.00%	Dark Armor	0.50%
Lizardman	Chain Mail	1.40%	Mandragora card	1.35%
Man Eater	Heart	3.00%	Diana card	1.50%
Marionette	Cure Curse	4.50%	Mind High	0.75%
Medusa Head	Wrist Band	1.50%	Hard Ring	0.40%
Merman	Gauntlet	1.00%	Meat	0.15%
Mimic Candle	Heart	10.00%	Gambler Armband	2.00%
Minotaur	Golem card	1.50%	Spiced Meat	0.75%
Mudman	Cotton Clothes	2.50%	Mind Restore	0.50%
Mummy	Cotton Clothes	3.00%	Heart	0.75%
Myconid	Potion	1.00%	Mind High	0.20%
Nightmare	Mind Restore	2.50%	Needle Armor	0.50%
Poison Armor	Antidote	5.00%	Rainbow Robe	0.50%
Poison Worm	Antidote	4.00%	Magic Gauntlet	0.50%
Poltergeist	Cursed Ring	2.00%	Mind High	0.60%
Scary Candle	Heart Ex	0.80%	Uranus card	0.60%
Siren	Griffin card	2.00%	Mind High	0.50%
Skeleton	Leather Armor	2.50%	Potion	1.00%
Skeleton	Leather Armor	2.50%	Potion	1.00%
Skeleton Athlete	Cotton Clothes	3.00%	Griffin card	0.75%
Skeleton Bomber	Salamander card	20.00%	Potion	1.00%
Skeleton Boomerang	Miracle Armband	4.20%	Stylish Suit	1.00%
Skeleton Knight	Leather Armor	3.00%	Bronze Armor	1.25%
Skeleton Medalist	Toy Ring	10.00%	Bear Ring	1.00%
Skeleton Soldier	Leather Armor	3.00%	Bronze Armor	1.00%
Skeleton Spear	Leather Armor	3.00%	Cotton Robe	1.00%
Slime	Antidote	4.00%	Venus card	2.50%
Spearfish	Heart	2.00%	Heart Ex	0.40%
Specter	Mind Restore	0.45%	Mind High	0.15%
Spirit	Wrist Band	2.00%	Mind Restore	0.40%
Stone Armor	Hard Ring	6.00%	Cockatrice card	1.80%
Succubus	Intelligence Ring	2.40%	Manticore card	1.50%
Thunder Armor	Gold Armor	2.50%	Steel Armor	0.75%
Thunder Demon	Magic Gauntlet	15.00%	Manticore card	3.00%
Trick Candle	Heart Mega	0.50%	Pluto card	0.40%
Were-bear	Cotton Robe	4.00%	Strength Ring	1.00%
Were-horse	Meat	1.50%	Defense Armband	1.00%
Were-jaguar	Gold Armor	2.50%	Ninja Garb	0.40%
Were-panther	Wrist Band	5.50%	Thunderbird card	1.10%
Were-wolf	Gauntlet	2.00%	Meat	1.00%
White Armor	Potion High	2.50%	Unicorn card	2.50%
Wight	Silk Robe	1.50%	Mind High	0.15%
Will O'Wisp	Wrist Band	2.50%	Mind Restore	0.50%
Wind Armor	Potion	2.00%	Potion High	0.40%
Wind Demon	Mind High	2.00%	Sage Armband	1.20%
Witch	Mind Restore	1.25%	Magic Robe	0.20%
Zombie	Cotton Clothes	2.50%	Potion	0.50%
Zombie Thief	Prison Garb	3.00%	Luck Ring	0.90%

Strategies

For strategies on the bosses (Cerberus, Necromancer, Iron Golem, Adramelech, the Dragon Zombies, Death, Camilla, Hugh, and Dracula), see the bosses page.

For surviving the Battle Arena, see the Battle Arena guide.

General tips

• All enemies have an elemental type. If you are having difficulty, equip the appropriate Neptune combination and attacks will drain your MP instead of your HP.
• Use items sparingly as they are rare. It's better to backtrack to a save room instead of wasting all of your potions.
• You are invincible while summoning, but using these cards defensively requires timing.
• If you lose a lot of life in a room, once it's completely empty, fully restore your HP with Jupiter/Mandragora, then wait for your MP to restore itself before going into the next room.
• The chance of an enemy dropping an item is determined by your luck stat. Equip Venus/Mandragora when item hunting to raise your luck by 25%.
• Even when cursed you can use your sliding-kick attack and your Hawk familiar will continue to attack as well.
• Lilith will appear in the Underground Warehouse after you defeat Camilla in the Underground Waterway. As soon as she does, go there and raise your levels significantly.

Candles

The Trick, Mimic, and Scary candles are annoying, but not difficult. They look like normal candles (but it's obvious which one they are as it's a different candle type than the others in the room). Once you hit them, they dive at you and die on their own. You must defeat them before they vanish to get any experience or items from them.

You'll have enough time to get two whip strikes in before they die, so your timing has to be good. You also need to be strong enough to kill them in two hits, or you'll never defeat them. You can use card combos to boost strength, however since their drops rates are all incredibly low, it's better to use Venus/Mandragora and Luck Rings to raise your luck instead. If you are too weak, just level up by fighting Lilith. Stopwatches can freeze the candles, but since you will have to kill each one numerous times to get the items, you will quickly run out of hearts.

• Mimic Candle
  • Location: In the long hallway off the east side of the Chapel Tower.
  • Appears: After you defeat Death.
  • HP: 990
  • EXP: 6600
  • Drops: Heart, Gambler Ring (Rare drop, raises luck by 100 points).
• Scary Candle
  • Location: In Iron Golem's room in the Machine Tower - rightmost candle.
  • Appears: After you defeat the Twin Dragon Zombies (though you probably won't be strong enough to kill it for a while).
  • HP: 150
  • EXP: 900
  • Drops: Heart Ex, Uranus Card (Rare drop).
• Trick Candle
  • Location: In Cerberus's room in the Catacombs - lower middle candle.
  • Appears: After you defeat Camilla.
  • HP: 200
  • EXP: 1400
  • Drops: Heart Mega, Pluto card (Rare drop).
  • Tip: Kneel slightly past the candle (not directly under, or it might not jump in the direction you want), and use the spinning whip technique to break the candle. Immediately after you break it, stop spinning and start using normal whip strikes.

Winged demons

Lilim

Basically a weaker version of Lilith (and incidentally, the Lili are the daughters of Lilith in mythology). Lilim flies around, circled by six energy balls which she spreads around the room in a spiral, or occasionally flings at directly at you. Use the Thunderbird summon to kill her in one or two shots.

She appears in the Machine Tower after you defeat Death. As with so many things in CotM, you'd never find her if you didn't read a strategy guide or by sheer accident. She's in the hidden room off of the second large room of the tower. It's the large room with the C-bend in it and connects to the second save room on the left. At the very top of the left side is the breakable wall. Go through, drop down and go left to a Heart Plus if you haven't gotten it already.

Along with 8000 experience points, Lilim rarely drops the Dark Armor, which gives you +500 defense. It's as powerful as the Shining Armor, which you can only get after beating the Battle Arena, the only difference is the Dark Armor also gives you a -10 penalty to strength, intelligence, and luck (a trivial amount, all which can be countered with various Rings). Lilim drops the Dark Armor very rarely, so wear two Luck Rings when you go to fight her.

Fallen Angel

There is only one Fallen Angel in the game, and she appears outside the entrance to the Battle Arena. You won't be able to reach her until you get the Roc Wing after defeating Camilla in the Underground Water way.

To get to her, transport to the fourth teleporter room, which is the closest you can get. If you haven't walked to the room yet, you won't be able to teleport over there. In which case, head back to the Chapel Tower. In the large room in the northwest (right before the room with the bells), is a non-hidden exit in the middle of the left side. Go through the door and head left until you can drop down and you'll have reached the teleporter.

Anyway, from the teleporter room, head up and left to the Battle Arena entrance. Use the Roc Wing to get over the tower and drop down the other side. The Fallen Angel will probably notice you and chase you, if not walk right a little bit and do a single Roc Wing jump to get her attention. When she shows up, simply fry her with a Thunderbird summon. With any luck you'll take out the two Legions that are floating about as well.

Then, just run right, go in to the first room of the Battle Area and head back out. Head back to the same area and Roc Wing jump to get her attention. Fry her again, then repeat the process as long as necessary.

She gives very good experience, but that's not why you fight her (Lilith becomes available at the same point in the game and gives 3x as much exp, so fight her for experience instead of the Fallen Angel). The reason to fight her is for the Saturn card. It's a rare item, so equip two Luck Rings (or Gambler's Rings, if you have them) when you fight her. You can equip the Venus/Mandragora DSS combo to boost your luck by 25%, but that means being unable to summon, and the Fallen Angel is somewhat difficult to kill by whipping, especially since you have two Legions getting in your way and are pretty far from a save room. It's also much slower without summoning, so you'll actually get the card faster by using Thunderbird. She also drops Heart Exes and the Legions drop Cure Curses.

Lilith

Lilith is, without question, the best source of experience points in the game. Dropping 20,000 points per kill, she is second only to the Devil (Battle Arena version) in terms of experience dropped. While the Devil give 30,000 points, he is very hard to kill and you have to fight through the entire arena to get to him (and if you can do that, you don't need to raise your levels any more).

She appears in the Underground Warehouse (in the hidden room off the long tower where you can get a Heart Plus), but only after you defeat Camilla. She's very strong (only Dracula and the Devil are more powerful), fast, and surrounded by an energy field that can hurt you. She's basically a supercharged Fallen Angel. She also has very high defense and fairly high HP (660 points). Despite this, she's very easy to kill.

Just use the Thunderbird summon repeatedly. If you have reasonably high strength, you'll be able to kill her in two hits. As there is some randomness to the amount of damage done by the Thunderbird, make sure you have at least 600 MP going into the room so you can use it three times if necessary. Even at high levels you should continue to use the summon as she'll still be about to do about ~100HP in damage and is hard to hit.

As you're invincible while summoning, you don't need to worry about your defense (besides, even if you have the best armor she can still tear you to pieces quickly), so equip luck boosting equipment such as the Luck and/or Gambler Rings. Eventually you'll get the Sage Robe from Lilith, which (in addition to being the fifth strongest armor in the game) boosts your intelligence by a whopping 500 points. This means that your MP will recharge incredibly fast (about 10MP/second), making repeatedly killing her go by much faster.

Strength is another stat to worry about, since if you can't kill her in two or three summonings, you're probably at a low level and therefor might not have enough MP to cast a fourth time. However, if you're strong enough to defeat Camilla, chances are you're strong enough to kill Lilith in three or less summonings.

Despite the fact that you're invincible while summoning, you should keep an eye on your HP. There is enough time for her to hit you while you're pressing the button combination in order to summon. You should also save often in case something goes horribly wrong. The closest save point is the one above where you fought Death. A few Succubii and other enemies stand between Lilith's room and the save point, so use Jupiter/Mandragora to heal before making the trip. You do not want to kill Lilith 40 times only to be taken out by a Succubus.

Skeleton Medalist

This guy is an easter egg that is annoying to kill, but worth it for the humor of the item he rarely drops. He's in a hidden room off the left side of the pit that Dracula throws you down in the beginning of the game. While you can open the room by jumping down the pit, you only have one shot per jump and then you have a long walk back to the top. He doesn't appear until after you defeat Camilla anyway, so just wait until you have the Roc Wing. From the bottom of the pit, jump up, and up, and up. About halfway up the room, start whipping the wall as you fall. Once you break it, jump back up and in. Grab the power up and then break the ceiling on the right side. Once you jump up, you'll see the Medalist run off. You can't catch him, even with the Pluto/Griffin combo. You have to use the Pluto/Salamander in order to use the stopwatch's item crush. At a cost of 80 hearts, the Medalist still won't be stopped, but will move so slowly that you can kill him.

Since it costs so many hearts just for a 1 in 100 chance that you'll get his rare drop, you might want to save first and then keep reseting until you get it. Or just skip it until you're playing in Thief mode. What you're trying to get is the Bear Ring, which will transform you into a cartoonish bear instead of a skeleton when you use the Pluto/Black Dog combo. It's something that's merely meant to be cute and does not help you out with the game. As such, unless you're a completionist, this can just be skipped.