Purity

Count Darigon cackled as the Sword refused to budge. “I know you, King Amberion,” he rasped.  "You are a thoughtful leader and a complicated man. You are good. But the Sword can be wielded only by the pure of heart. Can you truly say that you have never sinned, never fallen short?”

Amberion’s grip on the hilt slackened perceptibly. Darigon grinned.  Behind Amberion, Kailen snorted. She strode forward, snatched up the Sword, and lopped Darigon’s head off.

“I’m not a good person,” she told his stunned expression as his head rolled on the ground. “But I know what I want.”