Holding onto him like a sapling that needs to be planted, Yufei walks towards the nearest open doorway so Arthur can grab onto the door, probably bashing him into the doorframe as he does so because he hasn't accounted for the fact that he's carrying around something two feet taller than himself.

But he does pull him towards a door with a large round handle and a nearby railing.

Too bad that Arthur is missing out on Yufei starting to glow a soft green the closer he gets to being inside.

"If away from here, then need to fly over glass wall around ship. Swam out and hit it but couldn't get over top." It hasn't occurred to him that it might be a dome rather than a wall.