And then there are the likes of Ancient Gods, Angels, Superior Demons, Abyss Monsters, and so on...
These powerful beings are clearly not on par with the current six-tiered Card Masters.
Yet strangely, a few thousand years later, no matter how gifted the Card Masters are, they are all stuck at the sixth tier barrier.
It gives a very strange, yet incomprehensible feeling.
It's like a great hand covering the well.
Using a method unknown to outsiders, the promotion of Card Masters above the sixth tier was forcefully removed.
But those historical truths are hidden in the interruptions of civilization.
From the canon Leonard Churchill had previously seen, many scholars who have left their works in the books all have similar suspicions.
But his current tier is too low and he hasn't yet reached this level.
So he didn't think further about it.
