Warframe has some weird but very interesting lore and I'm going to talk about it.

Intro: (0:00)
Orokin: (1:07)
Sentients: (5:15)
Infestation: (6:30)
Tenno: (7:24)
Grineer: (8:45)
Corpus: (9:28)
Spoilers!: (11:12)