It could be that the offerings simply weren't enough. Or that the other spirits who weren't in on the deal pressured him into it. It's a little difficult, frankly, to account for all the variables. I could be wrong too, I won't say I'm not. But the situation stinks, and they're the beings who seem most interested in sacrifices and offerings. Why else would they take gifts in their shrines?

[Rei sighs, bobbing her head back and forth in thought.]

You were on the raid with Illidan, then. He told me he found energy sources. Did you see them as well?