Hart's Incredibly Hot Lightning Laser (5e Spell)
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|Casting time:||1 action|
|Range:||Self (300-foot line)|
|Components:||V, S, M (a sapphire worth at least 100 gp)|
A beam of blue lightning forming a line that is 300 feet long and 5 feet wide streaks out from you in a direction you choose. Each creature in or within 10 feet of that line must make a Dexterity saving throw. If within the line take 9d6 lightning damage and 4d4 fire damage on a failed save, or half as much damage on a successful one. Outside of the line but within 10 feet only take the fire damage, halved on a successful save.
Humanoids and creatures donned in or constructed of metal have disadvantage on their saving throw.
The lightning ignites flammable objects within 10 feet of the line that aren't being worn or carried.
At Higher Levels. When you cast this spell using a spell slot of 8th level or higher, the damage increases by 1d6 lightning and 1d4 fire for each slot level above 7th.