"What the fuck," Steven says. "No, if this is the Barge we can - we can just think about the Waypoint, right?"

Here's Steven's function in this whole mess: Steven got the brains.

" ... Haven't done it yet, didn't want to vanish right away without warning, that'd be weird. Why would holding a baby giving you prophetic dreams not be magic? Alright. Look. Just - teleport and follow me, if you like?"