Bond of the Viper

Effect

16% increased Skill Effect Duration
Companions have a 40% chance to Poison on Hit

Instilment

1. Diluted Liquid Ire · tier 1
2. Diluted Liquid Ire · tier 1
3. Liquid Disgust · tier 6

Apply these three Liquid Emotions in this order at the Decanter of Madness to instil Bond of the Viper onto an amulet. One instilment per amulet, overwritable at any time; a corrupted amulet cannot be instilled, though an existing instilment survives corruption.

Find this node on the passive tree