Thankfully he does listen this time, frowning thoughtfully while Ginko explains. It sounds like utter bullshit, but it would explain why he can't find a trace of the thing anywhere he looks, and those odd dreams he sometimes has of that gold river.

And then things hit a little too close to home, and Ed sucks in a sharp breath. Life in the form of a liquid--no wonder it feels so much like the Stone. "But I only ever tried to use it once, and even that backfired! That's why I've been trying to find the source, to figure out a way to use it safely!"