A distant future where the solar system is embroiled in conflict since the fall of the mysterious Orokin Empire. Many factions exist, chief among them the Grineer, an empire race of militarized clones; the Corpus, a mega-corporation merchant cult with advanced robotics and laser technology; and the Infested, the victims fallen under the scourge of Technocyte Virus.
For centuries, the Tenno slept. Now, under the watchful eye of the Lotus, they have begun to awaken once more, to bring the ways of old, of honor in an era where such concepts have been lost under the oppressive, greedy regimes that festered after the fall of the Orokin. The Tenno are real, and all factions, including the Tenno themselves, vie for a way to enlist their support, or to bring them under the yoke of control. An uncertain future lies ahead, as the Tenno have truly awoken from their slumber, but what will become of them now, and the universe, now the Multiverse, that they exist in?
The Sentients had won. They had turned our weapons, our technology, against us. The more advanced we became, the greater our losses. The war was over unless we found a new way. In our desperation we turned to the Void. The blinding night, the hellspace where our science and reason failed.
We took the twisted few that had returned from that place. We built a frame around them, a conduit of their affliction. Gave them the weapons of the old ways. Gun and blade. A new warrior, a new code was born. These rejects, these Tenno, became our saviors. Warrior-Gods cast in steel and fury striking our enemies in a way they could never comprehend.
Excalibur was the first.