These are artefacts that Skarn used to extract Light from captured angels[1]. This Light was then fed to his demon pits in order to create more demons[2]. They were destroyed by a hero/group of heroes, using Yl'nira in 1270
Gallery
Destroying a Soul Siphon with Yl'nira
A Soul Siphon extracting Light from Mikayel
A Soul Siphon feeding corrupted Light to a demon pit
References
- ↑ Diablo Immortal,The Pestilent Corpse,Carved in Blood,Dessicated Legion
- ↑ Diablo Immortal,The Citadel's Shadow