There was blood. Believe me, I was on your side once until I saw otherwise. I thought it was the darkness, but it wasn't.No blood. Otherwise it would have been rated T.
Mirby, he shot one dark energy ball at Braig on purpose, but then it traveled upwards and freed Master Xehanort. It's hard to say if it was directed at Braig, Master Xehanort, or even both lol.