Raph was Injured because He sacrificed himself to save Mikey,Donnie and Leo. Meanwhile Mikey had to hold back the Kraang so Leo and Donnie could escape. As for Leo and Donnie, Donnie's Softshell was about to give way and Leo was running out of energy to hold him up and they weren't even halfway out yet Leo: Please Donnie Huff just a bit...further Donnie: Coughing blood Trying...my..best.. The bushes next to them rustle and Leo takes out his sword. Leo: WHO'S THERE?! SHOW YOURSELF!!