Illumination. While it has at least 1 hit point, the astral blight sheds dim light in a 10-foot radius.
Unusual Nature. The blight doesn't require air or sleep.
Multiattack. The blight makes two Heat-Draining Vine attacks.
Heat-Draining Vine. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit:6 (1d6 + 3) radiant damage, and if the target is a Large or smaller creature, it is grappled (escape DC 13). Until this grapple ends, the target takes 3 (1d6) cold damage at the start of each of its turns. The blight has two vines, each of which can grapple one creature.