Isolde

Isolde is a Rogue, and member of the Sisterhood of the Sightless Eye. She was a member during the fall of Eastgate Keep to Andariel.

Six years later, Isolde was among the Rogues fighting the Bloodsworn in the Dark Wood. She directed the Sisterhood's ally/allies to Kashya.

In-game
Isolde is a potential name for a Rogue hireling in of Diablo II.

In Diablo Immortal, Isolde is a Rogue NPC in the Dark Wood zone, appearing in "The Horadric Bestiary" quest. Her role was originally held by Flavie in the game's beta.