Crunchyroll Dubs has uploaded an English dub clip from Episode 8 of Black Summoner where ... Kelvin trains the heroes to become better fighters!
Watch Black Summoner on Crunchyroll: https://beta.crunchyroll.com/series/GVDHX8JJE/
Watch Black Summoner on Crunchyroll: https://beta.crunchyroll.com/series/GVDHX8JJE/