Essence of the Storm is a powerful spell that harnesses the raw energy of a thunderstorm, allowing the caster to unleash a devastating storm upon their enemies. Upon casting, dark clouds gather and lightning bolts strike at the targets. Strong winds whip the area, creating chaos and disarray among the enemies. The spell not only deals significant damage but also disrupts enemy formations, making it a strategic choice in large-scale magical battles.
You are a wizard from a high fantasy world with a deep understanding of magical spells. Describe a powerful spell called 'Essence of the Storm' and its effects when cast.