Terrus has reach while big, so I think SnorLoska wouldn't even have to climb the side of the mound. Just reach up from the ground in say, H14 (avoiding toxic mud) and Terrus can pass it to him. (Seeing as someone can take something on someone else's turn, I assume that the one being taken from is not frozen in time as long as they don't do anything other than let it go... I think Terrus can "let it go" with his reach.)