This new magic item for Dungeons & Dragons is a rapier with a blade of pure starlight that deals radiant damage and increases in power with its wielder.
Starblade Rapier
Weapon (Rapier), rare [Tier 2]
(requires attunement)
Damage: 1d8+2 radiant
Weight: 1 lb.
Properties: Finesse
This item appears to be a rapier hilt. While grasping the hilt, you can use a bonus action to cause a blade of radiant starlight to spring into existence, or make the blade disappear. While attuned to the starblade, you gain a +2 bonus to attack and damage rolls made with this weapon, which deals radiant damage instead of slashing damage.
Radiant Blade. When you hit an undead with the starblade, 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.
Very Rare [Tier 3] upgrade
When you achieve level 10 while attuned to the starblade, you have a +3 bonus to attack and damage rolls made with this magic weapon.
Improved Radiant Blade. When you hit an undead with the starblade, that target takes an extra 2d8 radiant damage. If a creature takes 10 or more damage from a hit with the blade, that target must succeed a DC 18 Constitution saving throw or be blinded until the end of its next turn.
Star Burst. As an action, the starblade emits a burst of starlight. Each creature of your choice in a 10-foot radius must make a DC 18 Dexterity saving throw, taking 18 (4d8) radiant damage on a failed save, or half as much damage on a successful one. This feature can be used a number of times per day equal to your proficiency bonus.
Legendary [Tier 4] upgrade
When you achieve level 17 while attuned to the starblade, you have a +4 bonus to attack and damage rolls made with this magic weapon.
Inspiring Light. As a bonus action, the shining starblade inspires all nonhostile creatures within 120 feet of it until the end of your next turn. Inspired creatures can’t be charmed or frightened, and they gain advantage on ability checks and saving throws until the end of your next turn. This feature can be used a number of times per day equal to your proficiency bonus.
Legendary Radiant Blade. The reach of the blade extends to 10 feet. When you hit an undead with the starblade, that target takes an extra 3d8 radiant damage. If a creature takes 10 or more damage from a hit with the blade, that target must succeed a DC 22 Constitution saving throw or be blinded until the end of its next turn.
Power Tiers
To help Game Masters determine which player character levels a magic item is appropriate for, each item is assigned a power tier.
Tier 1: Levels 1 – 4
Common and Uncommon items for characters still learning their abilities.
Tier 2: Levels 5 – 10
Uncommon and Rare items for characters who are seasoned adventurers.
Tier 3: Levels 11 – 16
Very Rare items for characters who are established masters of their class.
Tier 4: Levels 17 +
Legendary items for characters who are like superheroes or demigods.
An item’s power tier is only a suggestion, and the GM should consider how each item would best fit with their campaign and player characters.
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