Board Thread:General Discussion/@comment-6192846-20150419144803/@comment-6192846-20150622104715

180.246.23.20 wrote: wait, so Held was Behemo's former teacher?! Yes. He even addresses him as "Held-sensei", which can range in translation from "Mr." (teacher) to "Master" to "Dr." (I lean on the latter with the magical scientist theme).