20 minutes, according to Ree Shil's usual experience, was more than enough.
Not counting the final Boss, the time he needed to clear ten levels was, on average, 2 hours.
That's 120 minutes.
Distributed across each level, it would be 12 minutes.
Of course, more troublesome event missions were excluded.
Like the mining mission with the Stone-eating Beast last time, he spent quite a while digging.
And the Kung Fu Tower before that, it took nearly 2 hours just to climb the mountain to the base of the tower.
The first gate is often the level with the most little monsters.
Adding the time spent on selecting inscriptions and cards, 20 minutes was just about right.
"It's better to hurry just in case."
Not intending to delay, he stepped forward through the seawater.
Soon, he saw the first little monster in this level.
Its appearance was quite unique, resembling a flower or a lantern.
From its upward-facing mouth, a large bunch of soft transparent tentacles stretched out.