3.17]Herald of Thunder Auto-Bomber Assassin Build - Odealo's Crafty Guide
Bug Reports - Fidelitas' Spike Not Affecting Herald of Thunder - Forum - Path of Exile
Herald of Purity - Path of Exile Wiki
Gameplay Help and Discussion - [BUG] Celestial Herald Effect MTX not working properly (Secrets of Suffering disable the effect) - Forum - Path of Exile