Casey cuts the roof off the truck, Donnie gets eaten by a mutated muscle car, and Casey realizes that the ice they're both skating on is a lot blacker than he first thought. (Casey/Donnie kismesis fic)
Between the blood loss and the post-fight adrenaline crash from hell, all Donnie wants to do is close his eyes and not be for a while, but with a hole the size of New Jersey in what's left of the fan room, most of the lair burned or half-buried in rubble, and Master Splinter still barely able to sit upright, that's not about to happen any time soon. 2k14 movie, 4/5 chapters posted.
He builds the tattoo gun because he can, not really expecting to ever use it, but when Mikey realizes just what Donnie's made out of an old Walkman, some wire, and a busted ballpoint pen, his face lights up like a beam of sunshine through a sewer grate. (2k14-verse)