The model tends to crash. When it happened to me, I couldn't find any real reason behind the crashes, both times, there was nothing in common. It just seemed to randomly happen. Sorry I can't provide much information there. There is another small issue, however. The effects Blaze uses seem to give rise to issues with Sonic. When used in conjunction with Sonic, I get the effects filling the entire screen every time Sonic spins, rolls, or anything similar.