Board Thread:Questions and Answers/@comment-120.150.122.171-20140518070125/@comment-29800728-20180322191531

That's just a game oversight. You must remember that RvB is filmed using the Halo series. But if you want to look at it another way, you could say that it was fluid from her robotic body that had its colour changed to red to seem like blood. To disguise the fact that she is essentially a robot. So if she ever was injured enough to cause a fluid leak it would seem as though she was bleeding.

In reality though it's 'cause RvB is filmed using a game.