C230 Armored Rhinoceros!

With regards to Jonathan's Mercenary Group, Arles guessed that he had seen a few mercenaries amongst them before. If Arles's guess was not wrong, then one of the hoodlums with the strength of Sovereign Stage that he had met before was one of the five Expert of the Sovereign Stage of Jonathan's Mercenary Group.

Since their Jonathan's Mercenary Group dared to attack their own family members