Magnus holds himself as still as possible, going where Lan Wangji guides him. This time, he manages to hold the position for a few moments before toppling, and he's careful to roll the way he was directed.

Then he pops up, eyes wide. "Did you see that!" he says. "I held that for so long! Um, not as long as you, of course. But wow!" He grins at Lan Wangji. "I probably wouldn't have fallen right if I didn't practice falling off the top of a ship with my cousin's boyfriend a few --" Months? Years? -- "Some time ago."