Sorry for the delay.
To not make the chapter longer, i updated Reji's Status in chapter 02.
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Wanting to come out alive from the Demon King's dungeon instance?
Who are you looking down on!
Although Reji said that, the initial instance dungeon definitely wouldn't be too difficult right from the start.
That would be too discouraging.
If all the adventurers from the Syndicate died in there, who would help spread his fame and boost his reputation? Who would dare enter his dungeon again?
It's like when a casino wants to fleece its customers. They have to let the customers "get lucky" and win a few rounds first, giving them the feeling of "Hey, I'm pretty good at this too." Then, once the customers get carried away and filled with greed, the casino reveals its true fangs.