(He didn't just walk in, he's with the group already)
Awkward Prowler: "I think this horse needs some water, is there a lake or well some where?"
Grim Reaper: "Yes, look past the sand dune and beyond that rubble, there is a stream of water there. Be quick about it..."
Awkward Prowler looks at the group.
Awkward Prowler: "Well, looks like we have to get some water for the horse..."
He says picking up Happy.