User blog comment:Jyggalag Daedric Prince of Order/New Monsters For Future Seasons?/@comment-94.68.211.229-20130611010950/@comment-91.117.145.122-20140828155254

It's posible to them to "make a Koschey". To explain, Koschey the Inmortal is a figure of Russian Mitholog who bound his soul to a needle. Destroy thar needle was the only form to permanently kill him since he resucitates every time he died.