Of course, the ship the group was sailing on was another of Velreth's artifacts from the vault.
It was one of the hundreds of thousands of fleet ships that he used to have under his command back in the upper realm.
Their destination was a remote island on the complete other side of the world. If they sailed or flew, they would have had to have left at least a week and a half ago to make it to their destination on time.
But with this handy little contraption, the cult would reach their destination in two nights.
Taira didn't even have to steer.
Because this was a warship, it had quite a few amenities and features that were as dangerous as they were fun.
…But unfortunately most of those needed a precious material to charge that was not native to the lower realm.
So for now, the most fanciful thing that this hunk of wood could do was turn invisible to those below, and was virtually indestructible to any power in the lower realm.