During the period of conflict known as the First Great Schism, which pitted the Jedi Order against the Legions of Lettow, a duel took place on the planet Irkalla. The combatants were Jedi Master Awdrysta Pina and Arden Lyn, who commanded the Legions of Lettow.
Pina managed to trap Arden Lyn within the Unknown Regions on Irkalla, leading to a confrontation where Lyn's weapon was taken from her. Refusing to surrender, Lyn focused her most intense feelings—encompassing rage, sorrow, love for Xendor, and grief over perceived injustices—and directed them through the Kashi Mer talisman. This act shattered Pina's lightsaber and inflicted a fatal wound upon him. As he was dying, Pina, using the Force, unleashed the esoteric morichro technique, halting all of Lyn's bodily processes and stopping her heart. However, unidentified people intervened, preventing Lyn's death.
Sometime later, an unknown group located Lyn's body and built a tomb for it. Inside, she was placed in suspended animation, remaining in stasis until she was revived 24,496 years afterwards, during the era of the Galactic Empire.