ver.

Lightning Storm

Enchantment
Lightning
Nature
Level 4
Range 9
Charges: 4
Create a thunderstorm with a 4 tile radius.
Each turn, each tile in the storm has a 50% chance of taking 12 lightning damage.
The storm lasts for 10 turns.

Attributes:

12Damage
4Radius
10Duration

Upgrades:

2 - Surestrike
Gain 50 strikechance
3 - Particle Storm
Clouds summoned by Lightning Storm deal 3 arcane damage every turn. Adds the Arcane tag.
4 - Spirit Harvest
For every 75 damage dealt by Lightning Storm, summon a Storm Spirit. Adds the Conjuration tag.