Calc Oblivion - Fireball

13:27


Fireball causes a considerable explosion. In-game, this spell has a 10 feet radius (take note this is gameplay-wise, lorewise is almost certainly higher).

Fire Ball Spell: Fire Damage 30 pts in 10 ft on Target

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Using Nukemap again for a radius of 3m and we get a yield of 0.000278 kilotons (or 0.278 tons of TNT).

Final Results
Fireball = 0.278 tons of TNT