Passive Tree, Ascendancy, and Keystone Highlights

The Gas Grenade Pathfinder primarily travels the right side of Path of Exile 2 Currency the passive tree, prioritizing chaos damage, poison scaling, flask synergy, and evasion. Here are the standout nodes and keystones that define the build:

Overwhelming Toxicity: Doubles the number of poisons you can apply simultaneously, massively boosting DPS.
Contagious Contamination: Spreads poison on enemy death, forming the foundation of the build's map-clearing potential.
Escalating Toxins: Increases poison duration and potency based on recently inflicted stacks.
Chaos Inoculation: Grants immunity to chaos damage and bleeding while reducing maximum life to 1 - a crucial defensive layer when paired with Energy Shield and Ghost Dance.
Wither Away: Increases Wither effectiveness by 20% and automatically applies Wither to enemies in range.
Pure Chaos (via From Nothing jewel): Converts 100% of base damage into extra chaos damage, providing exceptional scaling.

These nodes transform your Pathfinder into a poison-stacking machine, capable of both explosive AoE clears and sustained single-target damage.

Final Thoughts

The Gas Grenade Pathfinder is one of the most flexible and satisfying builds in Path of Exile 2. It balances high damage-over-time potential with excellent survivability and effortless map flow. Whether you're new to chaos builds or a veteran min-maxer, its adaptability makes it a fantastic endgame option.

Once you've got the core setup, you can refine it further by farming gear or exploring trade options. Many players buy POE2 Items and Path of Exile 2 Currency for sale to push the build's ceiling faster - especially for high-tier Plaguefinger, Siege Crossbow crafts, and skill-enhancing jewels.

In the end, the Gas Grenade Pathfinder isn't just about spreading poison - it's about controlling the battlefield. With proper setup, every throw becomes an apocalyptic cloud of destruction, leaving nothing standing in your toxic wake.