
The Crimson Ironback
Node-class ยท Nihilis ferrugo
BossFerrum Basin
The Ferrum Basin node: an ore rig worn as a shell. It fights in slam combos, then pulls you in on a bio-tether, and finally brings the rust storm down on the arena.
Stats
- Health
- 99900 HP
- Move speed
- 2 m/s
- Damage per hit
- 26
- Touch damage
- 12
- Attack range
- 10 m
- Attack every
- 3 s
- Wind-up warning
- 0.6 s
- Knockback resist
- 100%
By difficulty tier
| Tier | Health | Damage per hit |
|---|---|---|
| Standard | 99900 | 26 |
| Veteran | 149850 | 33.8 |
| Elite | 188811 | 40.3 |
Boss health also grows with squad size. See Difficulty and scaling.
Boss fight
The Crimson Ironback wears the ore rig as a shell.
Break its shell and sever the tether, Sentinel.
If the fight lasts more than 180 seconds the boss enrages: it hits 1.5 times harder and attacks faster, and brings more of the brood.
Phase 1: Duty Cycle
Health 100% to 66%. Read the beat. Its back vents after each combo.
| Attack | Damage | Cooldown (s) |
|---|---|---|
| Slam Combo | 39 | 3 |
| Charge | 45 | 12 |
Brings: Dredge
Phase 2: The Winch
Health 66% to 33%. A harpoon latches you. Snap the winch arm.
| Attack | Damage | Cooldown (s) |
|---|---|---|
| Slam Combo | 39 | 3 |
| Leap | 51 | 14 |
Brings: Lash
Phase 3: Rust Storm
Health 33% to 0%. Globs glow through the dust. Find the calm.
| Attack | Damage | Cooldown (s) |
|---|---|---|
| Storm Combo | 39 | 2.6 |
Brings: Gall
Minions

