Gawain vs Escanor.

And they fight. Here's the issue. Both of them had the same power, as Escanor said. But Escanor was already stronger than Gawain at base. Gawain's spears are getting shattered, his armor's getting shredded, he can't even feel his shield arm anymore. But Gawain's spirit? His spirit got ZERO QUIT! He sends Gringalet off and fights Escanor on foot, and Escanor puts Gawain through his paces! He’s putting hands, feet, elbows, knees, swords, and spears on Gawain. Gawain’s getting bled like a cow, and even the onlookers are like “Oh, that boy dead.” Our boy is getting wrecked but he's waiting for his moment. Finally, Escanor shoves his sword into Gawain's shield, and it gets stuck. Gawain smiles, and TWISTS! Boom Escanor's disarmed. A quick left hook has the giant spitting teeth and a smash with the pommel has him on the ground.
And Escanor's like "Wait! Gawain! This isn’t how I saw this fight going! I chose the perfect battlefield, and the perfect weapon! "
But Gawain's like "Yeah? Well, I CHOOSE HOW YOU DIE!"
And Escanor goes "Wait-wasn't that what I sai-" and gets his head chopped of

Arthurian Myths Retold pg 103-104