Amorphous. The living spell can move through a space as narrow as 1 inch wide without squeezing.
Magic Resistance. The living spell has advantage on saving throws against spells and other magical effects.
Multiattack. The living spell makes two Magical Strike attacks.
Magical Strike. Melee Spell Attack: +7 to hit, reach 10 ft., one target. Hit: 21 (5d6 + 4) lightning damage.
Spell Mimicry (Recharge 5–6). The living spell unleashes a stroke of lightning in a line 100 feet long and 5 feet wide. Each creature in the line must make a DC 15 Dexterity saving throw, taking 28 (8d6) lightning damage on a failed save, or half as much damage on a successful one.