Can NPCs and or animal companions gain levels in a class? @ChrisPerkinsDnD

— Ryhan Ureta (@XIR0SH0T) November 18, 2016

I would refer you to the NPCs chapter of the DMG and the ranger variant on the D&D website (which has animal companion upgrades). #WOTCstaff https://t.co/0delRyA7gF

— Christopher Perkins (@ChrisPerkinsDnD) November 18, 2016