Why do I feel like the purple eye guy will rescue taekyung and do a MAJOR harm to Heeseo 
if we put Mephisto and Caesar in a room Caesar will knock Mephisto down as he's stronger. But Mephisto in the meantime will swing his deck and enter Caesar from behind without him realising.
don't he dare, i'll draw myself in that manhwa and slap his character for ruining my expected story line