Duration: Aug 26 to Aug 29 (server time)
Servers: Servers that have been launched for at least a week
Description: There are three locations for players to choose from to start an archaeological expedition: Grand Library, Dusk Prison and Cloud Palace. For each location, players will get different fixed and random outputs. The fixed outputs are Epic Origin Crystals (Grand Library), Legendary Origin Crystals (Dusk Prison) and Mythic Origin Crystals (Cloud Palace). The random outputs may include origin crystals and Philosopher's Stones.