For Cayso, who has a more sensible sense of smell it was harder to get used to the rancid air inside the cave, and the mention of his brother made things uneasier. Suddenly, the young fast-bitter began feeling sick, thoughts began inviding his mind, "Racnar's suffering was my fault"- spoke to himself, and a pain began filling his body, making him to bowel and he began speaking to himself in the sharptooth language.