as he did so he became aware that some one was behind him , and at the same time a voice called out to him to wait . then his helmet was seized from the back . " who are you ? " said watanabe fearlessly . he then put out his hand and groped around to find out who or what it was that held him by the helmet . as he did so he touched something that felt like an arm - it was covered with hair and as big round as the trunk of a tree ! watanabe knew at once that this was the arm of an ogre , so he drew his sword and cut at it fiercely . there was a loud yell of pain , and then the ogre dashed in front of the warrior .
watanabe cut the ogre 's arm .
why was there a loud yell of pain ?
why was there a loud yell of pain ?