Ultima IV: Quest of the Avatar/Enemies

Stronger enemies appear as the Stranger gains experience levels.

If a non-evil enemy is killed, the Stranger loses virtue points. Carry a stock of slings, in order to weaken such enemies without killing them, until they flee.

In the NES remake, the distiction between evil, undead, and non-evil enemies was omitted: the companions should defeat all enemies, and never flee.

The sprites for the MS-DOS are similar to those for Amiga & Atari ST, but with slightly different colors.

Land enemies

Undead enemies will flee when the "Undead spell" is successfully cast. This spell was omitted from the NES remake.

The NES-only "Reflect" spell fully protects from the physical ranged attacks by Trolls, Ettins, and Cyclops (as well as sea Nixies).

Amiga Atari ST	SMS	NES	Name	Exp	Notes	Dmg	HP
			Giant rat	4	NON-EVIL!
			Python	4	NON-EVIL! Attack: poison shot
			Headless	5
			Wisp	5	Teleports; drops no chest. NES: found almost only in dungeons
			Orc	6
			Rogue	6	Attack: steals gold
		(n.a.)	Whirlwind	16	Fight it with cannons or ranged weapons only.
~ Undead ~
			Skeleton	4	Undead
			Ghost	6	Undead
			Phantom	9	Undead
			Liche	13	Undead. Attack: magic
~ Physical ranged attacks ~
			Troll	7	Attack: missile
			Ettin	8	Attack: missile
			Cyclops	9	Attack: missile
~ Magical ranged attacks ~
			Lava lizard	7	Shoots before combat. Attack: fire breath
			Daemon	8	Attack: magic
			Mage	12	Attack: magic
			Hydra	14	Shoots before combat. Attack: fire breath
			Dragon	15	Shoots before combat. Attack: fire breath
~ Disabling magic ~
			Zorn	16	Attack: "negate magic"
			Gazer	16	Attack: "sleep" spell
			Balron	16	Attack: "sleep" spell, magic

Sea enemies

Sea enemies leave no gold after combat. Pirates leave their ship.

Pirate ships start appearing when the Stranger reaches level 4 (800 experience points).

Amiga Atari ST	SMS	NES	Name	Exp	Notes	Dmg	HP
			Seahorse	9	NON-EVIL! Attack: magic
			Pirate ship	0	Shoots before combat; carries rogues and pirates.
			Rogue/Pirate	6	Spoils: ship.
			Nixie	5	Attack: physical missile
			Giant squid	9	Attack: poison shot
			Sea serpent	9	Shoots before combat. Attack: fire breath

Dungeon enemies

Reapers become harmless if the companions cast the "Negate" spell.

In the NES remake, all enemies can move. Also, enemies labeled as "non-evil" only appear when the party is at a low experience level (i.e. they disappear before the party is ready to brave the dungeons).

Amiga Atari ST	SMS	NES	Name	Exp	Notes	Dmg	HP
		?	Insects	4	NON-EVIL!
		?	Giant bat	4	NON-EVIL!
		?	Giant spider	5	NON-EVIL! Attack: poison shot
			Slime	4	-
			Gremlin	4	Attack: steals food
			Mimic	13	Motionless. Attack: poison shot NES remake: leaves no spoils.
			Reaper	16	Motionless. Attack: "sleep" spell, magic missiles