Muse: Agmundr

While reading an ancient passage about the old gods you find a clearly legible part that reads:

Not much is known of the Gods that govern the land, however the demigods are well known in this area. Specifically Agmundr and his twin sister Zosime, said twins are said to have telepathy only between themselves, and are supposedly immortal.  The elder, Agmundr is known to wield magic, though it is unknown what kind. He is supposedly the strongest mage ever to be produced from the North. He has a flee on sight order, because he has been known to slaughter many a people