Continuing the mission to rescue the King from limbo. The party is aboard the strange gnomish ship traveling through the nether when they suffer an engine failure. Sabotage?
As they ponder their options, the undead pirates that have been trailing them this past week break from the clouds.
Their ships are lower tech, but there are a lot of them, and each ship has a chaos bomb capable of destroying the ship if they can get close enough to plant it on the hull.