Black Fire

You ignite a wall of chilling black fire

You create a large wall of chilling black fire. Choose a space within 30 feet, and from there create a wall of Black fire five feet deep and high that stretches 15 feet, and can turn at any 5 foot increment. The wall deals 3d6 cold damage to any creature beginning its turn in the area, or entering the area for the first time this turn. If a creature is in a space where black fire is being created, it may make a dexterity save to move to an adjacent square to avoid damage.

At Higher Levels. When you cast this spell using a spell slot of 3 or higher Add 1d6 damage, and increase the size by an 2 additional squares.

If you have mastery of the Dark Terrain path, add your charisma modifier to the damage delt by black fire.