DnD 5e DMG
Weapon
Rare Requires Attunement
You can use a bonus action to speak this magic sword's command word, causing electric sparks to crackle along the blade. These sparks shed bright light in a 40-foot radius and dim light for an additional 40 feet. While the sword is electrified, it deals an extra 2d6 lightning damage to any target it hits. The sparks last until you use a bonus action to speak the command word again or until you drop or sheathe the sword. Base items.