
I agree about the second part, though to clarify--The ranking is based on what floor the kingdom is on, so the title doesn't fall on the king themselves. Which is why when the characters mention ranking, it's always followed after by kingdom. "Your kingdom is ranked this, my kingdom is ranked that" blah blah. Doesn't mean the king of that kingdom is OP though. Like, i guess MC's skills are OP in the support way but not in the brute force kinda way. If you put him in a ring and fight against a phsyical type character with no weapons, MC would fold.

Yeah, in the first arc in the novel, it was mentioned in the early stages of the kingdom, the king leaves the tower exploring to the vassals to help their kingdom develop. It's one of those time constrained type of thing where if you don't develop your kingdom enough after a week, you'd be left defenseless against invading kingdom(which we see in chapter 1 of the manwha, the monkey guy's kingdom gets invaded). In the novel, since MC joined monkey king's kingdom as a refugee of sort(as well cus the kingdom doesn't have enough vassals) for efficiency sake, the players also had to take part in the development of the kingdom, MC got conveniently placed in the tower exploration team.
That's probably one of the few times we could see some action from the MC if it was ever added in the manwha tbh, MC does a lot.
Later on the series, MC gains more freedom compared to when he played the game. He joins his vassals to take on the tower, not just cus he's taking his role seriously, also cus he needed to level up quick. The only time he got to do any levelling up was before he went back to his kingdom and it was only in the single digits i believe.
Ppl ain't comprehending the dialogue and complains abt the plot/weak mc the king's a support and he has vassals (and a grand duke who'd murder in a snap) their EMPIRE is #1, not that the king is #1.