The Intolerable Clock: A Non-Canon Hexarchate RPG

Alaric nods to Reshad. "There are a lot of ways. People have been trying to live forever since people became people. Good ways, that's the problem. It's like any other sort of exotic effect or even invariant engineering - it's easy to come up with ideas, hard to implement them without a lot of work, and the calendrical math often means that enabling one technique excludes others. Which makes me think that Sasha's right about them sharing a mechanism."

He adds to Sasha, "It would be useful to know anything else Jedao can tell us. Killed but it didn't stick is a good start, since it rules out things like making yourself physically immutable or, I don't know, a cloud of nanomachines."