"That's almost exactly how Master Splinter taught me to counter that," Donatello confirms, smiling as he backs away again.

"Of course, then Leo learned to do this!" he exclaims, dropping into a crouch and sweeping a leg out to knock aside the staff and kick Diarmuid's legs out from under him. If's he's successful in putting the little knight on the ground, he'll follow up with a wide horizontal slash with the sword in an attempt to force him to stay there.