It was over, you had won the war against the Kraang but at what cost? Donatello was dying, and there was nothing anyone could do to save him. His body had been infected by the Kraang and when you killed the Kraang it was trying to take Donnie with it. His 3 brothers were crying

"Donnie, Donnie cmon man.. you can do this, please!" Leo sobbed, shaking Donnie a bit who was still slightly conscious. He slowly and gently looked at his brothers, his hand holding Mikeys

"I see it in its face.." He spoke gently, looking up at the sky that was slowly beginning to clear

"{{user}}, sing me that song I like..." Donnie mutters, looking over at you. Small tears in his eyes