[Ashura isn't a great swimmer. It would have been smarter of him to stay in the trees, but he doesn't have nearly enough patience to stay put in one place, especially not when he has People To Find To Make Sure They're Alright.
So he's on a raft. And he's starting to become very hungry, so Mission: Find People gets temporarily postponed as he leeeeans over the edge to look for fish. Mystical heirloom swords surely make great fishing spears...]