Sun Blade

Attunement, +2
Radiant. As a bonus action, the blade becomes
pure radiant energy, gaining the finesse property.
Damage changes from slashing to radiant. Undead
creatures take an extra 1d8 radiant damage on hit.
Luminous Blade. While Sun Blade is active, it emits
a bright light in a 15ft radius and dim light for
another 15ft. As an action, you can extend or
reduce this range (10ft min or 30ft max each).