'They are all Demon Kings who have formed their Inner Cores, seasoned in Magical Combat with a wide array of methods. Unless I have overwhelming power, they are extremely difficult to kill!'
'To kill a Demon King, one must typically prepare specific countermeasures in advance. However, the more established a Demon King is, the more secrets they hold. Even with targeted measures, they will have their own ways to counter them!'
'With my current combat strength, killing a Quasi-Demon King isn't difficult. But killing a true Demon King… that would be a real struggle. My only chance would be against one who has just formed their Inner Core and become a Demon King, someone with only average Guarding Methods. Otherwise, defeating them might be easy, but killing them would be next to impossible!'
'But I can't be too demanding. After all, I only just formed my Inner Core and became a Demon King myself not long ago!'
'Also...'
