Boss: Chimera (嵌合体)
Region 5 — Polar Day's End (极昼止境) | Depth 202
Overview
| Stat | Value |
|---|---|
| Region | 5 —  Polar Day's End |
| Gate Depth | 202 |
| HP Ratio | 25 (Form 1) / 20 (Forms 2 & 3) |
| ATK Ratio | 1.0 (Form 1) / 1.2 (Forms 2 & 3) |
| DEF Ratio | 3.0 (Form 1 — highest in game) / 1.0 (Forms 2 & 3) |
| Speed | 5 |
| Attack Speed | 90 frames (1.5s) |
| Toughness | 20 |
| Knockback | Immune |
| Enrage | 120s — stacks every 20s |
Chimera's Form 1 has DEF ratio 3.0 — the highest of any boss. Physical damage is severely reduced. Element damage (especially poison at resist 10) bypasses this entirely.
Normalized against game maximums
Element Resistances
| Fire | Ice | Lightning | Poison | Best Element |
|---|---|---|---|---|
| 25 | 25 | 25 | 10 | Poison (by far) |
Chimera has only 10 poison resist — the lowest resist of any boss against any element in the entire game. Poison Archer absolutely destroys this fight.
Multi-Form System
Chimera has 3 forms that the game may cycle through:
Form 1: Main Body (ID 3100050) — High DEF
| Stat | HP | ATK | DEF | Speed |
|---|---|---|---|---|
| Ratio | 25 | 1.0 | 3.0 | 5 |
Skills:
| Skill | Type | Damage | Range | Cooldown | Effect |
|---|---|---|---|---|---|
| Bite | Basic Attack | 10% ATK | 1 tile (melee) | 1.5s | Knockback |
| Teleport Slam | Active | 100% ATK | AoE r=4 | 25–50s | Guaranteed hit, jumps to target — unavoidable AoE burst |
| Laser Beam | Active | 30% ATK | Infinite range | 10–20s | Ranged beam + self-buff (damage ramp for 7.5s) |
| Summon Poison Crystal | Active | — | — | 100s | Summons Poison Crystal (ID 3100053), max 2 |
| Summon Fire Crystal | Active | — | — | 100s | Summons Fire Crystal (ID 3100054), max 2 |
| Summon Ice Crystal | Active | — | — | 100s | Summons Ice Crystal (ID 3100055), max 2 |
| Summon Healing Crystal | Phase (0–50% HP) | — | — | 30s | Summons Healing Crystal (ID 3100056), max 2. Heals Chimera if not destroyed. |
Forms 2 & 3 (IDs 3100051, 3100052) — Balanced / Fast
| Form | HP | ATK | DEF | Speed | Resists | Notes |
|---|---|---|---|---|---|---|
| Form 2 | 20 | 1.2 | 1.0 | 5 | All 40 | Basic attacks only, balanced |
| Form 3 | 20 | 1.2 | 1.0 | 5 | All 40 | Basic attacks only, faster (60 frame attacks) |
Passive Abilities
| Passive | Trigger | Effect |
|---|---|---|
| Crystal Destruction | On near-death | Triggers skill that destroys all friendly crystals (cleanup) |
| Anti-Crit Crystal | After being crit | Every time Chimera is crit, summons a Fire Crystal (7s internal CD). Crit builds feed Chimera more crystals. |
Key mechanic: Critting Chimera summons more Fire Crystals. Crit-based DPS literally makes the fight harder. Poison builds (which rely on DoT, not crits) bypass this entirely.
Crystal Summons
Chimera summons elemental crystals that must be dealt with:
| Crystal | Element | Behavior | Priority |
|---|---|---|---|
| Poison Crystal | Poison | Deals poison AoE damage to your team | Medium — kill if stacking |
| Fire Crystal | Fire | Deals fire AoE damage | Medium |
| Ice Crystal | Ice | Deals ice AoE + slow | Medium |
| Healing Crystal (50% HP+) | Healing | Heals Chimera over time | HIGH — Kill immediately |
Healing Crystals are the fight-changer. At 50% HP, Chimera starts spawning them every 30 seconds. If you don't kill them, Chimera out-heals your DPS.
Optimal Team Comp
Chimera's multi-element attacks require Shield Wall's +50% all-element resist at 4★B1. Chrysalis' ground spikes trigger constantly from Chimera's rapid hits.
Chrysalis
Rock Dragon
Ruby/Ruby/RubyRuby/
Garnet/Garnet
Sapphire/Sapphire/SapphireSapphire/Sapphire/
Emerald
Chimera switches elements — healer must keep pace with unpredictable burst. Boar King's guaranteed double-cast at ★3 is mandatory for survival.
Octopus King
Boar KingRuby/Ruby/RubyRuby/Ruby/
TopazEmerald/Emerald/SapphireEmerald/Emerald/Sapphire
Chimera has low poison resist across all forms. Forest Queen's Rose burst settles all poison stacks instantly — devastating during form transitions.
Forest Queen
Jungle Demon
Jadeite/Jadeite/RubyJadeite/Ruby/RubyEmerald/Emerald/SapphireEmerald/Emerald/SapphireAlternative DPS
Lightning conversion bypasses Chimera's physical armor
Gem Spider's +600% skill DMG stacking overwhelms any resist
Gem Adjustments
Diamond (All Resist) gems are mandatory for tank and healer — Chimera's crystals attack with every element.
| Slot | Swap From | Swap To | Why |
|---|---|---|---|
| Tank Amulet all 3 | Any | Diamond (All Resist) | Multi-element crystal damage |
| DPS Amulet S3 | Any | Diamond (All Resist) | Survive Teleport Slam splash + crystal AoE |
| Healer Amulet S3 |  Jade |
Diamond (All Resist) | Stay alive through crystal spam |
Strategy Summary
- Bring Poison DPS — 10 poison resist is the lowest weakness of any boss in the game. Don't fight this with anything else.
- Kill Healing Crystals immediately — They spawn at 50% HP. If ignored, Chimera out-heals your damage.
- Don't rely on crits — Anti-Crit Crystal passive spawns more crystals per crit. Poison DoT avoids this.
- Stack All Resist — Diamond gems on everyone. Chimera's crystals cover all 4 elements.
- Save burst for 50% HP — The sub-50% phase with Healing Crystals is the real fight. Have cooldowns ready.
If you've been building Poison Archer as your F2P main, Chimera is your victory lap. The 10 poison resist makes this the easiest boss for poison builds despite being Region 5.
Drops
| Drop | Rate |
|---|---|
| Unique Naraka Drop | 60% |
| Red Equipment (Area 4 tier) | 85% |
| Gold + Resources | Guaranteed |
| Equipment Recipes | Included |
| Artifact Stones | Included |
| Stage Mutate Scrolls (x5) | Guaranteed |
Naraka boss drops use fixed loot tables — Magic Find has no effect.