The poison gradually erodes the targets body, inflicting damage all the while. To cast a Pyromancy, you must use a Flame or Special Weapons that can cast Pyromancy. A maximum of 15 pillars (including the one created by the initial cast) can be conjured in a single cast of this spell, resulting in total consumption of 55 FP (53 FP with Dusk Crown Ring equipped). Toxic Mist is a Pyromancy in Dark Souls 2. Upon initial successful cast, the spell will consume 13 FP (11 FP with the Dusk Crown Ring equipped), and additional Focus is consumed as each pillar materializes. The FP cost of this spell is expressed per-pillar.

After eruption, a lava pool will persist at the eruption point, inflicting 0.9 times the Spell Buff of the catalyst as Fire damage to any enemy that touches it. Each pillar will inflict 1.95 times the Spell Buff of the catalyst as Fire damage and knock any targets skyward. The caster focuses power in the catalyst, and then lays down a sweeping wide blanket of erupting fire pillars. Sold by Cornyx of the Great Swamp for 12,000 souls once he has been given the Izalith Pyromancy Tome. The all-engulfing Chaos Flame eventually formed a tumultuous seedbed, which birthed the twisted things known as Demons. Chaotic flame melts even great boulders, and creates a brief surge of molten lava on impact. Erects multiple chaos fire pillars in vicinity.

In-Game Description Art of the Flame of Chaos, from Ancient Izalith.

Dark souls 2 chaos storm