Spell Scroll of Lightning Bolt

This scroll holds the power to cast the spell
lightning bolt without material components.
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 DC15 DEX 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.