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Warframe Update 30.5: Sisters of Parvos Brings Lich Changes, Melee Rework, and New Warframe, Yareli. This new update brings additions and changes to the game’s Shadow of Mordor-inspired Lich mechanics. The Sisters are accompanied by high-tech robot Hounds that you can convert to be your companions. The Kuva Lich system is changing to end within Railjack, bringing them in line with the Sisters. The Murmur system has been changed to identify known requiems faster, a new mod that acts as a known requiem at all times has been introduced.