[Destiny Weapon] Battle of the Guardian

The sages eventually decide to help you. However, making the Genesis Weapon weapon your own will be no easy feat. * Accept the [Destiny Weapon] The Adversary's Determination quest to open the Destiny Weapon window. There, you can view quest details and continue the story.

To focus your resolve into the weapon, you must defeat Grandis's strongest warriors. Next up is defeating Kalos the Guardian under the mission conditions. * Accept the [Destiny Weapon] The Adversary's Determination quest to open the Destiny Weapon window. There, you can view quest details and continue the story. * Defeats done in Practice Mode also count as Destiny Mode.

You fought one of Grandis's most powerful warriors and channeled that resolve into your weapon.