Phantom

For locals, the stamina drain from the runs will be huge, the length is no joke, and the constant drills that follow seem like a perfect setup for a break off.

The drill trills alone make Beethoven Virus 17 out of place for its level, and the constant jump-drill runs are also tricky. To clear it, you have to use your stamina wisely where needed, and specifically, you need the skill to clear the jump-drill sections with minimal jumps.

굳이 올라갔어야 했나?

The terrible jack is likely a skill issue.