Butterfly

its actually right as a d17, its just this pattern hardly appears anywhere else around this level so thats why locals struggle a lot

The textbook half-chart for D17. It's a level 2 half-chart that has been maintained since XX.

체력 안듬

The stamina requirement is correct for a 17, but the pathing difficulty is higher than a typical 17, making it challenging. It's like a textbook chart, so it's good to practice on.