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  • Minimum Level: 265 or higher (Recommended level: 270 or higher)
  • Additional Requirements: Completed Burning Cernium quests

Seren is a boss found in Cernium.

Entry Requirements[edit]

  • Level 265 or higher (Recommended level: 270 or higher)
  • Completed Burning Cernium quests
  • Entry limitations
    • Entry is allowed once per day if you did not take Seren down.
    • Clear count is allowed up till once per week. Resets on Thursday 12am server time.

Boss Data[edit]

  • Overall time limit: 30 minutes
    • The fight will be terminated in Phase 2 (instant fail) if the party took attacks and get immobilised too many times, causing the time for Midnight to be 0.
  • Level: 275 (Character Level 280/285 or higher for 1.2x damage dealt in Non-Reboot/Reboot world respectively)
  • Required Authentic Force
    • Phase 1: 150
    • Phase 2: 200
Authentic Force Damage dealt proportion (Phase 1) Damage dealt proportion (Phase 2)
0~50 5% 5%
60 10% 5%
70 20% 5%
80 30% 5%
90 40% 5%
100 50% 5%
110 60% 10%
120 70% 20%
130 80% 30%
140 90% 40%
150 100% 50%
160 105% 60%
170 110% 70%
180 115% 80%
190 120% 90%
200 125% 100%
210 125% 105%
220 125% 110%
230 125% 115%
240 125% 120%
250 or higher 125% 125%
  • Hard mode HP: ???
  • DEF: 380% throughout the battle.
  • Resists all elements, including Physical.
  • Death Counts Allowed: 5 per person throughout the whole battle.
  • Damage percentages are based on your HP.

Skills[edit]

Rewards[edit]

Seren drops the following items (definite drop unless specified)

  • Glowing Soul Crystal (individual drop)
    • Max 180 per world weekly, limit resets on Thursday 12am
    • 5x value on Reboot servers
    • The entire service will be adjusted the same way, and adjustment happens every Thursday at 12am
    • The price will be based on the time the crystal is obtained, not the time it is sold. You can check with NPC Collector to see the price and to sell the crystals.
    • Price shown are by solo standards. The actual price is inversely proportional to party size when entering the boss fight
  • 10 Suspicious Additional Cubes (10 Master Craftsman Cubes for Reboot Worlds)
  • 40 Power Elixirs
  • Crusader Coins
  • Mithra's Rage Box (low drop rate, untradeable, expires in 7 days. Resulting item is a Level 200 Emblem, 40 Primary and Secondary stat (+700 additional HP for Warrior), 5 ATT and Magic ATT, part of Dark Boss Accessory set, tradable until equipped and does not expire)
  • Mithra's Core Gemstone (individual drop, provides Crest of the Solar core when used)
  • Yellow Cube (very low drop rate, unaffected by drop rate increasing effects, expires in 7 days)
  • Blade of Chaos (low drop rate, unaffected by drop rate increasing effects)
  • Crimson Resurrection Flame (very low drop rate, unaffected by drop rate increasing effects including Reboot world passive, expires in 7 days)
  • Rainbow Resurrection Flame (very low drop rate, unaffected by drop rate increasing effects including Reboot world passive, expires in 7 days)
  • Black Resurrection Flame (very low drop rate, unaffected by drop rate increasing effects including Reboot world passive, expires in 7 days)
  • Unextinguished Flame (low drop rate, unaffected by drop rate increasing effects)
  • Never-extinguishing Flame (low drop rate, unaffected by drop rate increasing effects)
  • Black Never-extinguishing Flame (low drop rate, unaffected by drop rate increasing effects)
  • Additional 50% EXP buff (high drop rate, unaffected by drop rate increasing effects including Reboot world passive, expires in 7 days)
  • Sparkling Blue Star Potion (low drop rate, unaffected by drop rate increasing effects including Reboot world passive)
  • Sparkling Red Star Potion (low drop rate, unaffected by drop rate increasing effects including Reboot world passive)
  • Small EXP Accumulation Potion (low drop rate, unaffected by drop rate increasing effects including Reboot world passive, shares the same effect as EXP Accumulation Potion but for 30 minutes only)
  • Large Medal of Honor (low drop rate, unaffected by drop rate increasing effects including Reboot world passive, gives 5,000 Honor Points when used, expires in 30 days if unused)
  • Incredible Chaos Scroll of Goodness 60% (moderate drop rate, unaffected by drop rate increasing effects, expires in 30 days)
  • Primal Essence (high drop rate)