Greenbeard

Greenbeard was one of the older seers of the Herd of Storms and the adviser of Kevdak. As an NPC, Greenbeard was played by Matthew Mercer.

Appearance
Greenbeard was a goliath. He had one eye that was completely clouded over, white, with a pus-filled socket that had been perpetually infected over time. He had a thick, moss-like crust that had gathered under his neck due to his infection, leading to his name of "Greenbeard".

Abilities
Heal spell

Trivia
Greenbeard's appearance as well as his character arc as a magic-wielding figure in a martial society seems to be inspired on the character Gul'Dan from World of Warcraft