History of Excess Tonics

Overview

Excess Tonics is an Episode: Revenant Act II Fieldwork upgrade that gives a chance to obtain additional Tonics when brewing at the Tonic Laboratory. It is rewarded by Major Fieldwork I on Nessus, which requires completing Tonic Experimentation there. Its rewards are Excess Tonics and a Medium Tonic Reagent Sack.

Unlocking Act II Fieldwork

Act II Fieldwork is unlocked by progressing the Grave Robber quest. Its Tomb of Elders run yields the Autoclave (Laboratory Equipment). Bring the Autoclave to the Tonic Laboratory in The Last City and interact with the marked machine to install it. Speak to Eido the Apothecary there to start Act II Fieldwork.