Monster Guild: The Dark Lord's (No-Good) Comeback! Vol. 2 (manga)

Searching for answers about his mysterious sealed staff, the Dark Lord continues his travels with his ever-expanding party of minions. They set their sights on the notorious Queen of Concealment, hoping her extensive skills will shed light on secrets even the Dark Lord himself is unaware of. Their inquiry must be put on hold, however, as the Queen’s fortress and all those she protects fall under a savage human attack. As the stronghold’s defenses fall and the battle’s tide turns, the Dark Lord must decide what his purpose as the “Dark Lord of Agniin” will be in this life…