FANDOM wrote:
Nidus can be use to have massive good regen and can be tanky or not add vigor/primed vigor steel fiber rage and a few other mods and nidus good anywhere give him the hirudo with the invigorated buff that gives him more health and better regen then add physique because extra healh and i said so.... 

Assuming you mean (umbral) Vitality + (primed) Vigor. Rejuvination could be more useful than physique because of the extra regen.

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