"This brand says he's a traitor to all people. We would've marked the one who sold us to the Lord of Destruction or his family. He's Nihlathak's son."
Osminic is a Barbarian, and the exiled son of Nihlathak.
Biography[]
"I... my blood's cursed. The ancestors spite me; the demons... they've harried me ever since I was sent from the mountain. I thought I could cure myself here. But the library's ruined."
- Osminic(src)
In-game[]

Osminic in-game
Osminic is an NPC in Diablo Immortal. He appears in the side quest, Blood of the Last Elder.