You rapidly heat your blood inside an infected individual within range to the point of boiling. The target takes 4d10 Necrotic damage.

If the target dies in this way, they explode into a geiser of blood and viscera, forcing all creatures within 5ft of them to make a Dexterity saving throw or take half of the rolled damage rounded up.

At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d10 for each slot level above 3rd. Additionally, the radius of the explosion is increased by 5ft when you cast this spell using a spell slot of 5th level, 7th level (10ft) or 9th level (15ft).