Witchlight

Antimagic Susceptibility. The witchlight is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the witchlight must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.

Construct Nature. The witchlight doesn't require air, food, drink, or sleep.

Variable Illumination. The witchlight sheds bright light in a 5- to 20-foot radius and dim light for an additional number of feet equal to the chosen radius. The witchlight can alter the radius as a bonus action.

Light Blast. Melee or Ranged Spell Attack: +4 to hit, range 30 ft., one target. Hit: 5 (1d6 + 2) radiant damage.

Flash (3/Day). The witchlight emits a bright burst of light. Each creature within 20 feet of the witchlight must succeed on a DC 12 Dexterity saving throw or be blinded for 1 minute. A creature can make a DC 12 Constitution saving throw at the end of each of its turns, ending the effect on itself on a success.