Arcane Flash Sword

Arcane Flash Sword is a technique used by Future Trunks.

Appearance
Similar to Light Sword in the Anime; Future Trunks infuses his sword with Magic-enhanced ki and clads the entire sword with his ki as it extends into the appearance of a longer sword than the already long sword.

Usage
He used it in response to Shroom's Baked Scythe and proceeds to clash with him. The resulting clash resulting in the Martial Arts Temple being heavily damaged despite them not even being near it.

Variations

 * Light Sword - The anime version of Arcane Flash Sword.