"Grell." Because, unfortunately, Byakuya knew that name. Even if he had avoided the idiot for over a year. However, that person wasn't their problem.

"How much do you remember?" That would give him a place to start. He hated not having an ability to help in any way, but questions and logical conclusions he could do. He hoped Hitsugaya was able to think through it, and work with him. He didn't want to be... frozen out now.

Even he almost winced at the mental pun.