Gonarchs lair Crashing(Fixed)

I have a great laptop it handles the whole game until a few days ago. I started up Gonarch’s lair(the last fight). When Gonarch blew to pieces the game crashed. The next day I start up Gonarch’s lair just before the chase that leads to the final battle place as soon as I started the fire the game crashed. It only happens in Gonarchs lair and it’s not my computer it’s weird Please help. -ImAGweenBean.

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