5e SRD:Lightning Bolt
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|This material is published under the OGL 1.0a.
|Self (100-foot line)
|V, S, M (a bit of fur and a rod of amber, crystal, or glass)
A stroke of lightning forming a line 100 feet long and 5 feet wide blasts out from you in a direction you choose. Each creature in the line must make a Dexterity saving throw. A creature takes 8d6 lightning damage on a failed save, or half as much damage on a successful one.
The lightning ignites flammable objects in the area that aren’t being worn or carried.
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.