Light Elemental (Verden Isen Supplement)
From D&D Wiki
Large elemental, neutral good
Damage Resistances lightning, thunder; bludgeoning, piercing, and slashing from nonmagical weapons
Light Form. The elemental can move through a space as narrow as 1 inch wide without squeezing. It can enter a hostile creature's space and stop there.
Illumination. The elemental sheds bright light in a 60-foot radius and dim light an additional 30 feet.
Multiattack. The elemental makes two slam attacks
Slam. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage.
A light elemental is seen as a bright glowing ball of light with white wings appearing out of the "back" of it. These elementals like to stay out in the open and their warm shine brighten others. This was the spirit that would help a soul cross into the afterlife.