Clefton’s Elemental Kaboom

You infuse the small bottle with pure magic or elemental energy, and lob the bottle right into your enemies. A strong blast bursts from the bottle, obliterating your enemies.

Without an element, deals 2d6 force damage in a 10 foot sphere. You may use a damage dealing spell on the blast to add 1d6 for a first level spell, 2d6 for a second level spell, 3d6 for a third level spell, and so on. Add no dice if it is a cantrip.

If the spell you cast on the blast does fire damage, change the force damage to fire damage.

if the spell you cast on the blast does lightning damage, switch the force damage to lightning damage

if  the spell you cast deals cold damage, change the force damage to cold damage

if the spell you cast on the blast deal radiant damage, change the force damage to radiant damage.

if the spell you cast deals necrotic damage, change the force damage into necrotic damage