Reach player level 38 to unlock 16 new features in Castle Defense.
Endgame research with day-long timers — gem-rush to finish instantly.
Where: Heroes ▸ T4 Research
The Volcano Wyrm erupts every 25s, blanketing the field in lava pools that slow and damage ground units! Ice Shield towers dispel the lava armor for bonus damage. +50G/kill.
Where: Fight ▸ Volcano Wyrm
The Leech Titan converts 30% of all damage you deal into HP regeneration — out-healing most towers without the counter! Void Lance units pierce the leech armor. +51G/kill.
Where: Fight ▸ Leech Titan
Every 19s this living shadow gate summons 2 shadow clones that split your tower fire. Light Prism dispels all clones simultaneously. +48G/kill.
Where: Fight ▸ Shadow Nexus
Every 22s this colossal dragon fills the entire battlefield with chain lightning hitting every tower simultaneously. The Grounding Rod is the only counter. +50G/kill.
Where: Fight ▸ Thunder Wyrm
Every 18s the ancient serpent spits venom across an entire tower lane poisoning everything in it. Venom Ward is mandatory — place it in every lane. +55G/kill.
Where: Fight ▸ Serpent Lord
Every 25s this sea beast erupts molten rock covering 6 tiles and disabling everything in them for 4s. Tidal Wave is the counter — and it must hit in time. +64G/kill.
Where: Fight ▸ Magma Leviathan
Every 25s its fear aura shuts down every tower for 4s — a terrifying window. Deploy Dream Crystal to dispel the fear before it strikes. +66G/kill.
Where: Fight ▸ Nightmare Dragon
Every 30s the Ancient Dragon's gaze turns every tower to stone for 5s — total silence. Dragon Slayer units break the petrification before the dragon capitalizes. +76G/kill.
Where: Fight ▸ Ancient Dragon
Every 16s this boss breathes plague clouds that infect towers halving their damage for 4s. Cleanse Bolt units purify the infection on contact. +125G/kill.
Where: Fight ▸ Plague Dragon
Every 16s the Death Wyrm vanishes underground and resurfaces anywhere on the map dealing 60+ damage and stunning nearby towers for 2s. Seismic Probe units detect and trap it underground. +132G/kill.
Where: Fight ▸ Death Wyrm
This sea serpent creates whirlpools every 20s that drag towers out of position in a 160px radius. Build Anchor Pylons to ground your towers and resist the pull. +142G/kill.
Where: Fight ▸ Ancient Leviathan
This reality-warping titan creates a gravity well every 21s that bends ALL projectiles away from it for 4s. Orbit Strike units fire in curves that hit regardless. +145G/kill.
Where: Fight ▸ Cosmic Titan
Every 19s this boss fractures into 3 smaller serpents each with 30% of its remaining HP. Void Net units can capture all split copies simultaneously. +148G/kill.
Where: Fight ▸ Chaos Serpent
Enemy Flame Wraiths · Unit Void Archer