Challenge Rating 15 monsters

All 4 Challenge Rating 15 monsters in the D&D 5e (2014) SRD, listed with their rules. Free, no account needed.

They average 191 hit points and armour class 18. 2 of them can fly. 3 are Large or bigger. The toughest is Purple Worm, at 247 hit points.

Challenge Rating (CR)

15