ver.

Fireball

Fire
Sorcery
Level 1
Range 8
Charges: 18
Deals 9 fire damage to units in a 2 tile burst.

Attributes:

9Damage
2Radius

Upgrades:

5 - Chaos Ball
Fireball randomly deals physical, lightning, or fire damage. If a unit is resistant to one or more of these damage types, fireball deals the damage type that unit is least resistant to. Adds the Chaos tag.
4 - Shaped Blast
Fireball gains 1 radius for every 4 tiles away that you cast it, and never damages the wizard or their allies.
3 - Meteor
Units in the center tile take extra physical damage and are stunned for 3 turns.
2 - Ash Ball
Fireball blinds and poisons units for 4 turns.