All Death Battles end by fatality. Be it Yang, Superman, or Rainbow Dash, someone's scoring a kill. 
As for the post by Gray there, I really have to applaud his attitude there. It's less 'you shouldn't show this to children', and more 'you should watch this first, and use your own judgement on the matter'. Which is a wonderfully mature attitude to have, really.

As for the post by Gray there, I really have to applaud his attitude there. It's less 'you shouldn't show this to children', and more 'you should watch this first, and use your own judgement on the matter'. Which is a wonderfully mature attitude to have, really.