I've noticed that when he's on horseback and you don't shoot him in time, the arcs of electricity that he throws down to cover the arena can be avoided by standing on one of the Triforces on the outer edge of the platform. I forget which one it is, though. I think it's the second one moving clock...
I always loved how while Egon, Venkman, and Ray are talking, the maid is trying to douse the burning toilet paper with a spray bottle in the background.
I've noticed that when he's on horseback and you don't shoot him in time, the arcs of electricity that he throws down to cover the arena can be avoided by standing on one of the Triforces on the outer edge of the platform. I forget which one it is, though. I think it's the second one moving clock...