He was killed while walking around examining the castle for the siege.  He was hit by an arrow here while walking around examining the castle for the siege.  He later died from the wound.

Effigy (c. 1199) of Richard I at Fontevraud Abbey, Anjou

Richard I (8 September 1157 – 6 April 1199) was King of England from 6 July 1189 until his death. He also ruled as Duke of Normandy (as Richard IV), Duke of Aquitaine, Duke of Gascony, Lord of Cyprus, Count of Anjou, Count of Maine, Count of Nantes, and Overlord of Brittany at various times during the same period. He was known as Richard Cœur de Lion, or Richard the Lionheart, even before his accession, because of his reputation as a great military leader and warrior.

• http://en.wikipedia.org/wiki/Richard I of England
• A History of Britain (TV series)