Derian duel
The duel between Arthur and Derian occurred when Arthur Pendragon invoked the right to Queen Annis for single combat. Arthur was the champion for Camelot and Derian was the champion for Caerleon. Post-duel, Morgana enchanted Arthur's sword to make it several times as heavy, this plan was set to weaken Arthur, so Derían could easily defeat him. When the duel started, Arthur began fighting comfortably, but as time went on, it was getting heavy. Fortunately, Merlin supported Arthur with his magic, enabling Arthur to defeat his mighty opponent, form a truce between the kingdoms and bring peace to Camelot (His Father's Son). 

Victory: Arthur Pendragon


  • This duel has many similarities with the duel from the Old Testament story of David and Goliath.
Series 1: Merlin vs. ArthurArthur vs. ValiantMerlin vs. Edwin MuirdenSir Owain vs. Tristan de BoisSir Pellinore vs. Tristan de BoisUther vs. Tristan de BoisArthur vs. EvanMerlin vs. TaurenMerlin vs. KilgharrahMerlin vs. Nimueh
Series 2: Merlin vs. JonasArthur vs. MorgauseArthur vs UtherOlaf vs. ArthurArthur vs. Kilgharrah
Series 3: Merlin vs. MorganaMerlin vs. the GoblinMerlin vs. the Sidhe elderGilli vs. NollarUther vs. GilliMorgause vs. Merlin & Gaius
Series 4: Showdown with MorganaUther vs. The GleemanArthur vs. DeríanEmrys vs. the Knights of the Round TableEmrys vs. MorganaArthur vs. Sir LancelotArthur vs. Sir ElyanArthur vs. HeliosGuinevere vs. Morgana
Series 5: Arthur vs. Odin
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