Talk:Excalibur/Umbra/@comment-42.55.240.222-20170512085909/@comment-26275839-20170516113933

Or I could say umbra warframes are warframes that has its own mind, when we change into operator mode, this umbra-type moves and attack enemies on their own, constrast on being standing still like a doll.

Stalker is one of the umbra warframes, it uses the umbra skin, and it has his own objective, killing the tenno.

One said to obtain umbra you need to truly master the warframe type itself and gaining enough power to be trusted enough by the warframe's inner persona. (Require Warframe level 30 and MR 15+ above to craft)