TOXIC RAIN + HERALD OF AGONY Pathfinder Build for Path of Exile

Toxic Rain is all new skill gem introduced in 3.4 Delve League. It’s a cool toxic, poison version of Rain of Arrows with 3-phase damage.
Herald of Agony is another new one, a MINION Herald skill gem!

https://www.pathofexile.com/forum/view-thread/2208830

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