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!
If you look at the Minotaur's stat block, I believe it's just 20/x4 in his attack line; also, the weapon was also published (as the Goliath Greathammer) in Races of Stone, where it's 20/x4.