I got Vadagar Stag as the end of a 3 star fable in the northwestern part of the map- I've been doing damage even to level 60 Cogah enemies with my gear (erstroot 30 with consecutive attacks feybalt and a Witan 30 perfect throw verite).
He is permanently hard grey, 1 hp per hit. What the heck did y'all do when tuning these bosses?