Alvas

Alvas was a lacuni pack leader who led assaults against the Amber Blades. In one of these assaults, his pack took a number of prisoners. None survived, but Alvas was slain by a hero/group of heroes, and his pelt taken back to the Blades.

In-game
Alvas is a Super Unique Lacuni Slasher in the Lacuni Incursion. He is the target of the "Loyalty's Price" quest in Diablo Immortal. He has a jump attack, which is telegraphed by an AoE icon before he lands. Killing him grants Alvas's Mangled Hide.

He is immune to knockback.