It doesn't surprise him that she's offered her help in dealing with Shredder. It leaves him a bit conflicted; the turtles are at war with Shredder, and it's a blood feud that has lasted more than one generation. Having allies willing to fight that war with them is humbling - but if anything should happen to them, the weight of responsibility falls upon the turtles.

Of course, it's nothing he isn't positive his double has already considered. He's the one who really knows Korra, here, and who is Leonardo to doubt his judgment? Korra's offer is very kind, and Leonardo knows that she has the skills to back it up. He has no doubt that if push comes to shove, she'll make good on her promise.

What she says next is a little more surprising - though it makes sense. All of the turtles had over fifteen years to gel as a unit in their respective dimensions, and even in a place like this, their patchwork-quilt family has been learning how to compensate for the missing pieces. Korra and Leo may have sparred and trained together, but doesn't mean they know how to work together.

"Has he ever mentioned anything like that to you?" Curious, Leonardo brings his hand up to his chin and frowns in thought. "Learning, I mean."