Raph had been stupid to leave the lair alone.

Of course his brothers had followed him, and he’d barely been able to push Mikey away from the fatal attack during a foot ninja ambush.

“Raph!” 

“I’m fine, go help Mikey!” 

Keeping his back to his brothers, Raph bit into his wrist guard, barley making a sound as he pulled the knife from his chest. 

Nobody saw as the rain carried blood down his plastron.

He could feel himself slipping away, but he greeted Death with a soft smile, because with his last breath he saw Mikey struggle to his feet.