Eternal Rival

Unlocked by

 * Fomorian Invasion

Steps to Completing

 * 1) Talk to Kirstie at the Traveler's Shop.
 * 2) Complete the battle Southern Rock Cliff
 * 3) * The EU Version's name of the battle is South Rock Face.
 * 4) Talk to Gwynn at the Mercenary Outpost.

Stories Unlocked

 * Potion-drinking Kobold
 * Reilly the Great Magician
 * Fomorian Supplies