" I’d defeated the ultra-hard thornspike cave bear by using the rare Rolling Logs Off the Roof to Crush It stat, "

― Reki Kawahara , ソードアート・オンライン 21 ユナイタル・リングI [Sōdo āto onrain 21 Yunaitaru Ringu I] (Sword Art Online Light Novel, #21: Unital Ring I)