Lightning Arrow
Spell Level: Level 3
Spell School: Transmutation
Casting Time: 1 bonus action
Range: Self
Components: V, S
Duration: Concentration, up to 1 minute
Type Of Damage: Lightning
Saving Throw: Dexterity
Castable By: Ranger
Description
At Higher Levels
When you cast this spell using a spell slot of 4th level or higher, the damage for both effects of the spell increases by 1d8 for each slot level above 3rd.
Source: Player's Handbook