Quote Originally Posted by MaxWilson View Post
No set way? Sure there is. Take your Multiattack action against yourself until you do at least 25 points of damage, then stop for the turn.
Oh lol, I had thought you meant to simply bite your head off in some way without dealing more than 25 damage to yourself. (What even are the rules on attacking yourself?)

And yes, this whole challenge is silly, but several of these don't actually require extraordinary build resources (neither does this really) or massive amount of time spent as basically an npc.