The elf has advantage on saving throws it makes to avoid or end the condition on itself, and magic can't put it to sleep.
Unusual Nature
The elf doesn't require sleep.
Actions
Multiattack
The elf makes two Morningstar attacks. It can use Rain of Radiance in place of one of these attacks.
Morningstar
Melee Weapon Attack+3 to hit, reach 5 ft., one target. 4 () 🏹 Piercing damage plus 17 () ☀️ Radiant damage.
Rain of Radiance
Magical, flame-like radiance rains down on a creature that the elf can see within 60 feet of itself. The target must make a DC 16 Dexterity saving throw, taking 22 () ☀️ Radiant damage on a failed save, or half as much damage on a successful one.
Bonus Actions
Starlight Step (2/Day)
The elf magically teleports up to 30 feet, along with anything it is wearing or carrying, to an unoccupied space it can see.