After the invasion of the krang, Casey kept getting distant and distant away from everyone else. He even refused to talk to leonardo after he almost sacrificed himself for the city and the world.

Currently

He sat on the side lines of the city roof, his hair tied back into a bun as he slightly twirled his saw-like staff as he stared down to the streets. Seeming upset and sad, but unsure of what to do anymore with his own life since he completed what future sensei wanted him to do...