Are the effects each round sequential or additive?
Sequential would be like the storm is flipping through a deck of cards, trying to find an effect it likes. Averaging the damage, the Lighting victims will have taken less than 40pts of damage, and anyone else in the storm will have taken less than 20pts of damage.
If the effects were additive each round then the storm would be a legendary event. Averaging the damage, the lightning victims (if different people were hit each round) will have taken around 160pts of damage, and anyone else in the storm will have taken around 130pts of damage.
As a point of comparison, Implosion cast at L20 deals 200 points of damage to each of ten people over the course of the spell.
Sequential would be like the storm is flipping through a deck of cards, trying to find an effect it likes. Averaging the damage, the Lighting victims will have taken less than 40pts of damage, and anyone else in the storm will have taken less than 20pts of damage.
If the effects were additive each round then the storm would be a legendary event. Averaging the damage, the lightning victims (if different people were hit each round) will have taken around 160pts of damage, and anyone else in the storm will have taken around 130pts of damage.
As a point of comparison, Implosion cast at L20 deals 200 points of damage to each of ten people over the course of the spell.
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