No known way to get this in the game yet.
Contents(Guaranteed)
ItemQuantityFor
Life Crystal (Bound) x10Level 1 - 100
Resurrection Spiritstone (Bound) x5Level 1 - 100
Battle Enhance Scroll (Bound) x10Level 1 - 100
Content Usage Ticket Selection Chest (Bound) x1Level 1 - 100
Odyle Energy (Bound) x2Level 1 - 100