Map boss

Rootgrasp, the Hateful Forest

Rootgrasp, the Hateful Forest is a unique monster and map boss found in the Spider Woods. It is based on The Brambleghast.
Level
65
Damage
Physical
Resistances
Cold 30%
Weaknesses
Fire -50%

Fight overview

Rootgrasp uses physical vine cascades, a physical projectile with sixty percent conversion to chaos, a hammer slam, and volatile-tree effects.

The reviewed database record exposes one plant-boss combat set for Spider Woods and Greenhouse. No separate phase or named boss-only drop is documented.

Vine cascade

Telegraph: Rootgrasp triggers vines across a targeted part of the arena before the area attack lands.

Response: Move out of the targeted lane before the cascade resolves.

Damage: Physical

Chaos-converting orb

Telegraph: A slow boss projectile travels away from Rootgrasp.

Response: Move clear of the projectile path. The recorded projectile converts sixty percent of its physical damage to chaos.

Damage: Physical, Chaos

Hammer slam and volatile trees

Telegraph: Rootgrasp begins a hammer-slam action or creates volatile-tree objects around the arena.

Response: Leave the slam area and keep a clear route between volatile objects.

Damage: Physical

Current map roster

2

Skills and combat mechanics

1

Locations

1

Source differences

Greenhouse location

The exact wiki article names Spider Woods. The current map roster and PoE2DB also list Rootgrasp for Greenhouse, so both current map links are retained.