godan verb (-ru), transitive verb
climb to the top; scale completely
Emphasizes completing the climb, reaching the summit or top of something like a mountain, stairs, or a slope.
彼は一人で富士山を登り切った。
He climbed all the way to the top of Mt. Fuji by himself.
長い階段を登り切ると、そこに
After climbing the long flight of stairs, there was a shrine.