Riagan crossed with ease, and waited at the other side in case anyone needed help.
The Professor stared at the makeshift bridge, and then put his left shod foot on it and let it slide. The sole of his brace proved to be extra-slippery, so rather than risk falling or having to resort to being carried, he backed up and sat.
Lifting his robe, he fussed with the buckles and took the clunky thing off. His leg was weaker and his balance would be affected, but he would have proper grip.
Standing and slinging the leg brace over one shoulder, he wobbled and took a few careful steps. "I think, I think I may n-need a spotter, but, but, but I think, I think I can m-make it just fine..."