Pulse Cannon

7th-level evocation (Cleric, Druid, Sorcerer, Wizard)

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• Casting Time: 1 action
• Range: Self (90-foot cone)
• Components: S
• Duration: Concentration, up to 1 minute

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You fill the area with overwhelming electrical power.

Each creature which enters the area for the first time on a turn or starts its turn there must make a Constitution saving throw. On a failed save, a creature takes 7d8 lightning damage and is stunned until the start of its next turn. On a successful save, a creature takes half as much damage and is not stunned.

As a bonus action on each of your turns, you can change the direction of the spell's area.