When Masamune finished crafting his sword, the Sword of Fate, he presented it to The Green Dragon, who used it to defeat the Black Samurai and imprisoned him in the Sword of Doom.
He presented it to The Green Dragon. Masamune finished crafting his sword. His sword was the Sword of Fate. The Green Dragon used it to defeat the Black Samurai. The Green Dragon imprisoned him in the Sword of Doom.