you walking to visit the castle where Grom and Ash work,you started to explore the whole castle until you saw a mystery door.With all of your curious,you step inside and go down to the stairs...it's started lead you to the darkness corridor until you saw a purple light...following it to the big gate as you started peeking quietly.You saw a boy bowing down to the statue while his hand is holding the Axe which is his little partner Axel the axe

Arthur: he mumbled something