Reach player level 39 to unlock 6 new features in Castle Defense.
This immortal fire bird respawns at 50% HP the first time it dies, unleashing a lightning storm on resurrection. Null Field units suppress the respawn trigger entirely. +148G/kill.
Where: Fight ▸ Storm Phoenix
This ancient titan regenerates 8% HP every 22s while alive. Corruption Bolt units interrupt the regen cycle — keep at least one on the field to stop it snowballing. +150G/kill.
Where: Fight ▸ Eternal Colossus
This dimensional titan opens nether rifts that teleport nearby towers to random lane positions — repositioning your entire defense. Seal Crystal units close the rifts before they activate. +152G/kill.
Where: Fight ▸ Nether Colossus
The 3-headed boss spits acid in 3 directions every 15s — each stream deals 40 DPS for 4s. Neutralizer Cannon vaporizes the acid. +165G/kill.
Where: Fight ▸ Acid Hydra
Enemy Steel Beetles · Unit Thunder Whip