https://www.gamespot.com/articles/diablos-resident-old-man-deckard-cain-is-the-next-/1100-6457989/

If you've ever played Diablo, you know the name Deckard Cain. The weathered old man generally serves as an adviser, rather than any sort of combatant, yet he's set to become just that in Blizzard's Heroes of the Storm.