Wegnus had been following Eldarin, keeping the distance between them relatively short. He did heed Curtis' advice; keep your wits and don't drink the water. And he also took note of the free drinks if they come back alive, because he supposes they would need it. But hey, at least they aren't gonna get ambushed by anything. Hopefully.

He did prepare for the possible thirst problem, but he didn't bring water. He brought alcohol, yet he still wondered why they shouldn't drink from the river. Maybe it was ridden with parasites? Who knows.

Well, if something did ambush them, he'd be prepared.