From Diablo Wiki
was a corrupted rogue boss found in Act One of Diablo II. The game's lore said that she was the , the character from Diablo I, returned to her Monastery and corrupted by the powers that the unleashed upon it, summoning forth .
It is not known if Blood Rave she will return in Diablo III; Blizzard has given no indication that she, or any of the other Sisters of the Sightless Eye, will.
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