A reincarnated sage with the "Imperial Seal" that allows him to follow demons : Becoming the strongest adventurer with his former magic and followers in secret 3

Slimes, Hellhounds, Cyclops... The strongest "emperor" is reunited with the followers who supported him! Emperor Rudis was reborn as an adventurer with the "Imperial Seal" that allows him to follow demons. Summoned by Princess Yulia, Rudis is asked to teach the magic of "purification". In order to gain powerful magical power, he must search for the sword he created in the past, but there he finds the shadow of a demon that once served Rudis... Volume 3 of the otherworldly "demon" fantasy!

Slimes, Hellhounds, Cyclops... The strongest "emperor" is reunited with the followers who supported him! Emperor Rudis was reborn as an adventurer with the "Imperial Seal" that allows him to follow demons. Summoned by Princess Yulia, Rudis is asked to teach the magic of "purification". In order to gain powerful magical power, he must search for the sword he created in the past, but there he finds the shadow of a demon that once served Rudis... Volume 3 of the otherworldly "demon" fantasy!