Hydro Breaker
Earned from Hydro Axolotl. On Hunter, ordinary special shots deal 2 / 3, while weakness shots deal 6 / 8.
MISSION FILE / MVR-FIRE
Arson Vulpine is the Maverick boss of Geothermal Power Plant. Use Hydro Breaker; on Hunter its standard and charged weakness hits deal 6 / 8 damage. Then collect Flare Burst to target Bog Snapper.

Hydro BreakerHunter weak hit 6 / 8 charged
Flare BurstTargets Bog SnapperDamage values show what the player weapon deals to this boss. Weakness damage is explicit in v1.00.61 and no longer represented by one multiplier.
Standard and charged special damage apply to non-weakness weapons. The last two columns show the confirmed values when using Hydro Breaker.
| Difficulty | Boss HP | Special | Charged | Weakness | Weak charged |
|---|---|---|---|---|---|
| Rookie | 32 | 2 | 3 | 6 | 10 |
| Hunter | 64 | 2 | 3 | 6 | 8 |
| Veteran | 64 | 1 | 2 | 3 | 4 |
Earned from Hydro Axolotl. On Hunter, ordinary special shots deal 2 / 3, while weakness shots deal 6 / 8.
Flare Burst is the confirmed weakness weapon for Bog Snapper.
Open next target →1 upgrade, 1 Heart Tank and 0 Energy Tank records are tied to this stage.


X, this upgrade will enhance your buster. It will allow for a powerful third level charged blast beam.
Open exact map position →
These positions are now plotted on the Geothermal Power Plant interactive map, including all 20 stage chips and the checkpoint route. No empty resource category is rendered when this stage has no matching item.