Fix spectre revive.

Spectre revive is just completely and utterly bugged. When they die they turn into this little ball of light and sometimes doesn't revevite back into their normal form on revive timer. This happens mostly if you move out of range when they are dead.

It takes several minutes for them to revive and the only way to really solve it is port back to hideout to reset. This cannot be intended.

I have also noticed that when you move quickly through the map at times the spectre will turn into the ball and not follow you. I have been in the middle of a fight and realized that some of the spectres were not with me, and the respawn timer was not going. I ended up retracing my steps and as soon as the balls came into view they moved over to me and popped back into being.