May contain plot details
Insear, also know as the Isle of Ash, was created by Cardan. The island is part of Elfhame making it the fourth and newest island to the kingdom.
The island was created by Cardan during a showdown between Elfhame and the Undersea. Cardan created the island to show Queen Orlagh of the Undersea his power. As well as showing he could destroy her kingdom by getting rid of the sea.