Boss · Acts II–IV
Thornwarden
Thornwarden is a boss that comes on 17 waves, from wave 48 to wave 119 (Acts II–IV).
- Waves
- 48–50, 57–59, 65, 70, 79, 85, 88–89, 95, 98, 115, 118–119
- Element
- Nature
- Movement
- Walks, 0.9 tiles/s
- Armour
- 30%
- If it gets through
- 3 lives
How to beat it
- It is a nature creep: fire towers deal it 1.5× (Ember, Flame Tower, Inferno, Pyre, Bombard, Shrapnel Cannon, Artillery and Cluster Mortar and 4 more). Water damage is weak against it (×0.75 on a boss).
- Armour 30%: every hit is cut by that much, except true damage (Rime Shatter, Glow, Beacon, Pulsar, Flash, Judgment, Wrath and Smite and 5 more).
- It regenerates, so damage has to come faster than it heals. Slowed creeps regenerate at 50% of their rate.
- A boss that reaches the goal costs 3 lives, so give it the longest walk past your strongest single-target towers.
Strength by act
| Wave | Act | Per lane | HP | Regen / s | Kill gold |
|---|---|---|---|---|---|
| 48 | Act II | 1 | 18,688 | 31.9 | 86 |
| 65 | Act III | 2 | 20,894 | 18.8 | 46 |
| 95 | Act IV | 2 | 30,476 | 32.2 | 45 |
HP grows with the wave and the difficulty; in co-op every lane gets its own. Numbers from the game's data when this page was built.
The Last Maul
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