Bow of Radiance (5e Equipment)
From D&D Wiki
Weapon (longbow), uncommon
This longbow harness the power of the sun.
Light Arrows. This bow produces infinite arrows of light that disappear after hitting a creature or object. You can have these arrows deal either radiant or piercing damage.
Blinding Light. When you hit creature with a light arrow from this bow, you may have the creature make a DC 14 Constitution saving throw or be blinded until the end of the creature's next turn. This effect may be used 3 times, and this weapon regains all expended uses at dawn.