Source: Elves of Golarion, pg(s). 13
He is also believed to have created the first elf gates, basing them on a mysterious magical arch that he had found. According to legend, he personally carved many of the elf gates that can be found in Golarion.
His ultimate fate is unknown. It is said that he stepped through the magical arch that had so inspired him and was never seen again. The secret of creating elf gates was lost with him.