Quest 665

Once more speak to Agatha in the Sword Ba, who asks you to undergo a powerful ritual to unlock your true powers, but to do so we'll need to prepare.

First we'll need the Purgatory Blade, let's go get one from the T. Mersandi Village.

Head to T. Mersandi Village's tavern and speak to the Pukilipo sitting (standing?) alone on the left. She'll need some tears from a demon swordsman... and you seem to be the only one around. Go ahead and find the cry emote.

With our blade in tow, let's head to the Salt Crystal Caves in the Rhovos Highlands south of Gran Zedora Region.