Soul Fire

Soul Fire
Magic Resistance: No
Ultimate Eldritch Spell [Magical]
Prerequisites: Eldritch Rank 10
Disciplines: Necromancy
Potency: [2d8 + Eldritch Rank]
Cast Action [Ct 9, REC 6]
Components: V, S
Cost: 2 Karma, 8 Resolve and 4 Resolve Burn
Duration: 1 round or until dismissed, dispelled or disrupted.
Upkeep: Spend 2 Resolve Burn to increase the duration by 1 round
Effect: You bring forth an all-consuming fire born of death and obliteration that destroys all it touches. When you first cast this spell, you create a ring of flames up to 50ft in diameter, 5ft thick, with you at it's center. Every segment the ring expands, spreading 5ft outward from its center. When the flames come in contact with a creature or object, make the following attack:
Target: Any creature or structure the flames touch
Attack: Arcana vs. Touch
Hit: 200 Annihilation and Necrotic damage. Additionally, the target suffers ongoing 100 Annihilation and Necrotic damage every 10 segments [SE, ST 6d10 vs CON].
Miss: 100 Annihilation and Necrotic damage.
Structural Effect: Structures touched by the flame are subject to attack, Demolition +60 vs Durability. If the structure takes any Ruin from this attack, the structure continues to be consumed by the Soul Fire, suffering an additional 3 levels of Ruin per phase until it is destroyed.