Sanguine Ruins

The Sanguine Ruins are located in the Dark Wood. The Bloodsworn carried out an ambush of the Sisterhood of the Sightless Eye here.

In-game
The ruins appear as a Dark Wood zone in Diablo Immortal. It holds a waypoint, and is located adjacent to the Forgotten Tower.

Monsters

 * Bloodsworn Archer
 * Bloodsworn Spearwoman

Trivia

 * Sanguine is a color that resembles dried blood. This arguably fits in with the 'blood motifs' of the Dark Wood storyline.