Party kara Tsuihou sareta Sono Chiyushi, Jitsu wa Saikyou ni Tsuki S01E09 - Regarding the Master, Who Was, in Fact, the Apprentice

After a powerful earthquake shakes Mardat, waves of monsters start marching toward the city in a labyrinth uprising. Guild leadership quickly takes action. Suspicious that the Guild was expecting an uprising all along, Laust and friends ready for battle.