Survive The Longest by Pickaxe

Move with the grappling hook without falling to the floor, and the last person standing wins.
床に落ちずにグラップラーで移動し、最後まで生き残った人が勝ちです。
Only "pickaxe" attacks are allowed.
攻撃は「つるはし」のみ。
The winner will be determined in three 5-minute rounds.
５分３ラウンドで勝敗を決めます。