| Spell type | Direct heat attack (red spell) |
| Minimum Magic | Red magic 75+ |
| Requires | Fire Magic 5+ or Flameborn Adept |
| Casting time | 5 seconds |
| Base modifiers | 200 feet range, +30 Ascendancy, +30 Power |
Firestorm is a direct attack spell which targets the body and inflicts heat damage. On a critical hit, your opponent will be hurled away from you.