Weblightning storm is a master level destruction spell that deals massive shock damage to health and magicka.
Lightning storm, 75 pts for 1 sec;
Disintegrate, 200 pts for.
Web42 rows · this page lists spells in the school of destruction.
The base cost for spells is the amount of magicka that would be necessary to cast the spell at 0 skill without any perks.
The magicka cost at 100 skill is 41% less than the base cost;