If you are referring his defeat at the end against the dragon, that is because of his hubris. He was too proud and believed that he could do it alone without his soldiers. This brings his defeat and he realizes that he will die because of his hubris, after which Wyglaf will take over since he was the only one brave enough to help.
<em>Dyfunction</em><em> </em><em>:</em><em>There appears to be a dysfunction in the patient's respiratory system</em>
<em>Miscarriage</em><em>:</em><em>She alone was responsible for the miscarriage </em>
<em>Ramification</em><em>:</em><em>He clearly did not think of the inevitable ramification for his unwise action.</em>
<em>Drastically</em><em>:</em><em>His life wouldn't change drastically if he agreed</em><em>.</em>
<em>Exacerbate</em><em>:</em><em>Excessive or hard exercise can exacerbate it.</em>
<em>Glaring</em><em>:</em><em>This glaring light hurts eyes.</em>
<em>Lacunae</em><em>:</em><em>There are large lacunae in the head in front of the ganglia</em>
<em>Tweak</em><em> </em><em>:</em><em> We just wanted to tweak his original idea a bit.</em>
You can talk to me if you would like.