Lump of broken glintstone enwreathed with magic power. A faux sorcery used by the Knights of the Cuckoo. Craftable item. Launched straight ahead, using FP. A magic bolt springs forth from the point of impact.

Purified RuinsLandmark: against a wall. Academy Crystal CaveGrace: In the room where you fight all the Sages, on the right side. Converted TowerGrace: Enter the tower, and find it lying on a table to the right. Liurnia of the LakesRegion: 10 x found in a chest inside a large enemy outpost west of The Four BelfriesGrace. Liurnia of the LakesRegion: Can be found on a desk inside the Converted TowerGrace. Mt. Gelmir: Found on the soldier's body shot to death by the surrounding Marionette Soldiers. Academy Crystal CaveGrace: Inside the Academy Crystal CaveGrace. On the room full of Sages, turn to the right. It is against the wall. Ordina, Liturgical TownGrace on a Broken snow-covered rooftop, just north of the Ordina, Liturgical TownGrace grace. Accessible by horse, Jumping from building to building. They can be farmed from Marionette Soldiers, Avionette Soldiers, and Raya Lucaria Soldiers. You can hold up to 10 Cuckoo Glintstones. You can store up to 600 Cuckoo Glintstones. The produced bolts will only home in on enemies if the player is locked on. When hitting an enemy directly, the bolts will appear behind them and hit them in the back. You can use this item to damage enemies' past shields. Sell Value: 50 Runes