Rinzler means what he can do period. Sans is a threat. Information about him—attacks, maneuvers, habits, skills—all of it is useful. But for a start?

Yes, his combat functions would be good to know.

The voxels scattered across the ground have long since disappeared, empty data fading back to this poor excuse for a system. Rinzler doesn't acknowledge Chara's search for proof, but the black helmet gives one quick shake in answer. Rinzler had attended the trial, but missed the video portion. If he hadn't, maybe he'd have been less caught off-guard.