Crucible soul

Summon three golden glowing sprite's at your location, the sprite's will float around you and cast dim light for ten feet till the spell is triggered, when the spell is triggered by an enemy attacking the caster the sprite's will swarm the attacker and explode, showering them with crystal shards and magic.

The spell is activated by any attack made towards the caster, or by any hostile creature coming within ten feet of the caster, The sprite's can be dodged though it is a 15 DC dexterity save to dodge them