Gara: sacrificed herself to destroy a Sentient besieging the Tower of Unum
Mirage: slaughtered Sentients after Sentients until a huge energy beam turned her into little more than a memory
Inaros: protected the population of Mars against the Infestation and even the Orokin themselves until he was shattered in a sandstorm
Limbo: failed a stunt
Heroic deaths of Warframes
Published
Time's Vengeance 