Moonlit Blade

Weapon (short sword), rare (requires attunement)
Description: The blade of this short sword is forged from a mysterious, moonlit silver that glows faintly in the dark. Intricate runes run along the length of the blade, giving it an ethereal beauty.
Damage: 1d6 piercing
Properties: Finesse, light

Special Abilities:

Luminous Strike: Once per day, the wielder can activate the Moonlit Blade to emit a burst of radiant light. All creatures within 10 feet of the wielder must make a DC 13 Constitution saving throw or be blinded until the end of their next turn.
Moonlit Glow: The blade sheds dim light in a 10-foot radius when unsheathed. This light can be suppressed or activated by the wielder as a bonus action.
Radiant Edge: The Moonlit Blade deals an additional 1d6 radiant damage to undead creatures.
Weight: 2 lbs.