The additional appendage is accepted with little to no puzzlement. She shifts to better expedite the proceedings and nods at the extra arm with something that isn't exactly thanks, but isn't any level of upset either. It's an arm. These things happen.

"It's Round One." Lydia shrugs, letting out a huff of air as her new arm swings slightly with the motion. "Kiss seems acceptable. You'd just have to up the stakes in the next bout."