- Sold by Titchy Gren for 4,500 souls after joining the Brotherhood of Blood.
- Can also be found in Drangleic Castle on the left balcony in the room with Alonne Captains leading to an Estus Flask Shard.
When cast, pillars of flame erupt out of the ground in a radius around the caster, ignoring walls or other obstacles. This can be used to damage enemies hiding around corners.
Firestorm benefits from being available earlier in the game, as well as from its more generous number of casts per slot compared to its more powerful variants.
Like all other spells, the amount of casts per slot increases upon reaching certain Attunement milestones:
|Attunement Level||Amount of Casts|
| Acid Surge • Chaos Storm • Combustion • Dance of Fire • Fire Orb • Fire Tempest • Fire Whip • Fireball|
Fire Snake • Firestorm • Flame Swathe • Flame Weapon • Flash Sweat • Forbidden Sun • Great Chaos Fireball
Great Combustion • Great Fireball • Immolation • Iron Flesh • Lingering Flame • Outcry • Poison Mist • Toxic Mist • Warmth