After learning about an elf slave trade, Rimuru had Soei investigate, but it turns out the slave traders have already been shut down by Masayuki, the Lightspeed Hero. Word is now spreading that the Hero is headed to Tempest to slay a Demon Lord...
They're a militant group 
that includes war slaves,
إنّها مجموعة مُحارِبة تشمل أسرى الحرب
Sie besitzen neben vielen Kampfsklaven
Avec les guerriers, démons
et bêtes magiques qu’ils possèdent,
Commerciano schiavi da combattimento,
Um grupo militante que
usa escravos de guerra,
У них на службе состоят рабы,
магвери и даже маглюды.