The VOIDRUNNER'S CODEX is coming! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
Entirely plausible, but Bigby was an actual player character, and his gimmick was hand spells, and as anyone who has encountered a player character with a gimmick can tell you, player character gimmicks take on lives of their own.