# Sun Blade > [!info] Item Details > | | | > |---|---| > | **Category** | Weapons | > | **Rarity** | Rare | > | **Attunement** | Yes | > | **Source** | DMG p.205 | --- ## Description This item appears to be a [[longsword]] hilt. While grasping the hilt, you can use a bonus action to cause a blade of pure radiance to spring into existence, or make the blade disappear. While the blade exists, this magic longsword has the [[finesse]] property. If you are proficient with [[shortswords]] or longswords, you are proficient with the _sun blade_. You gain a +2 bonus to attack and damage rolls made with this weapon, which deals radiant damage instead of slashing damage. When you hit an undead with it, that target takes an extra 1d8 radiant damage. The sword's luminous blade emits bright light in a 15-foot radius and dim light for an additional 15 feet. The light is sunlight. While the blade persists, you can use an action to expand or reduce its radius of bright and dim light by 5 feet each, to a maximum of 30 feet each or a minimum of 10 feet each. Proficiency with a Longsword allows you to add your proficiency bonus to the attack roll for any attack you make with it. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. **_Sap._** If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn. --- ## Properties - Bonus action to summon or dismiss the radiant blade. - Grants **+2 to attack and damage rolls**; deals **radiant damage** instead of slashing. - On a hit against **undead**: extra **1d8 radiant damage**. - Blade emits **sunlight** (bright 15 ft, dim 15 ft, adjustable by 5 ft increments). - Has the **finesse** property. - Requires attunement.