Fireball is a level 3 evocation spell. This spell allows spellcasters to unleash a streak of fire from their hands that ignites into a large explosion at a chosen point within range.
Description
Shoot a bright flame from your fingers that explodes upon contact, torching everything in the vicinity for 8d6Fire damage.
On a successful Saving Throw, targets still take half damage.
Fire damage for each Spell Slot Level above 3rd.
Range: 18 m / 60 ft
AoE: 4 m / 10 ft (Radius)
via Magical Secrets)
via Magical Secrets)
Incandescent Staff. 
Recharge: Long rest
Fireball on the Forgotten Realms Wiki