Warframe Sentinel, a new advanced sentient artificial intelligence unit produced 50 years after current events

"For millennia your kind have protected the galaxy from the greatest threats to the balance of existence....

But in the last few centuries everyone has taken it upon themselves to eradicate the Enhanced for fear of their potential and their greed, so you are our only hope at this time.

Trace a path of hope and strength with this Warframe, it is as unique as your abilities and you will forge a great bond with it, become that Sentinel we need in these dark times..."