Blue Sky Crystal



Blue Sky Crystals are rare materials that can only be gathered in very limited quantities over time. They are mainly obtained by completing all 3 daily coop missions.

Obtain

 * Complete all 3 Coop daily missions (1 per day)
 * Complete an event Challenge Battle for the first time
 * Complete a solo Nightmare encounter for the first time
 * Drop from Grand Order, Huanglong, and Qilin