Jer'ell is a High Entia of impure blood in Xenoblade Chronicles. She can be found beneath the central escalator in Alcamoth from 06:00 to 18:00. After the events of Mechonis Core, she can be found near the Sororal Statues in Satorl Marsh from 18:00 - 06:00. She can be invited to Colony 6 where she can be found around the central area of the city from 18:00 - 06:00.
※1 In order to trade this item, Shulk's "Hero's Privilege" and Riki's "Buy Stuff!" skills must be learned. Also, a Veritas Glyph must be obtained from a Superboss.