It is a bright green sword with two separate blades attached to the handle.
In "Zombie Invasion," he uses it against the Pirate Zombies twice when they come to take back the Fantasy Emerald.
In "The Curse of Fearwood," he summons it to prepare to attack the Werewolves summoned by Selina.
In "The Magic Totem," Roy is seen with it when the Werewolves were surrounding them.
In "Legendary Duel," he summons it to prepare to attack the Alfea Champions.
#124: Attack of the Centaurs
Roy brandishes his sword as he gets ready to help the Paladins and his fellow Specialists hold off the army of Centaurs so that the Winx can help safely direct the panicking fair-goers to safety. He later opts to use his Sand Shield.
It can release rays of green electricity.