The party went to Daerlun to make magic items and returned better equipped for an assault on the Keep. Lizard Men manned the defenses of the castle complicating the advance.
The Characters went at the keep a few times before seeing the Aspect of Tiamat summoned through a portal. They left and returned later and started fighting the hobgoblins that had occupied the area. Eventually the hobgoblins pulled back and the party went in and cleared the remaining undead, devil, and managed to close the portal to hell.
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