Jungroan's Poison Spectral Helix Assassin (Tree highly optimized by me, without changing any of the budget gearing). Complete with new leveling progressions from Level 2 to 95 and everything in between.

Spectral Helix

Viper Strike Assassin - One of the Builds of All Time | PoE 3.19 Build Guide

Viper Strike

Poison spectral helix Ascendant for endless deli?

Spectral Helix

3.20 PCONC Pathfinder with TempChains?

Poisonous Concoction

[3.19] Lightning Strike Poison Assassin | Lake of Kalandra Starter

Vaal Lightning Strike

Jungroan's Blade of the Covenant Trickster Poison Helix

Spectral Helix

[Endless Delve Build] Pconc... Champion?!

Poisonous Concoction

Poison Reave Assassin

Vaal Reave

Goratha's [3.18] Assassin Poison Molten Striker

Melting Ubers - Goratha's Poison Molten Strike Assassin