This is entirely waved off. "Normally there's rules saying you can't kidnap people, brainwash them and stick a brand on their soul but here we are."

Rules clearly only matter SOMETIMES.

"...It's a nice sword." Best sword actually. "Might have gotten picked up after the ..." He frowns, digging through hazy memories of when they first got there. "..Servants took everything else I had but I doubt it."

Besides his sword is apparently part bunny now.