The other stranger was Achelous, god of the Calydonian River.
Achelous readily agreed to this way of settling their rival pretensions, for he had no doubt as to the result of the wrestling.
Philip is joined by the Acarnanians, and marches to the Achelous.
They took the huge horn of Achelous and heaped it high with the rich and glowing fruits and flowers of autumn.
Behold me, the god Achelous, the powerful King of the Waters!