Undead Non-Living Bomb (5e Spell)
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You send spores in a 10-foot radius to a location in range that you can see. All the undead that are currently under your control in that area suddenly explode, affecting creatures in a 10-foot radius of each exploding creature. Creatures within the area of the explosion must make a Dexterity saving throw or take 3d10 necrotic damage, taking half damage on a successful save.
If the explosion hits a dead body or a pile of bones, the spores will infect that and explode in a 5-foot radius with the same save, but 1d10 necrotic damage instead.
At Higher Levels. At higher levels: If you cast this spell with a spell slot of 4th or higher, it deals 1d10 bonus damage for each slot level above 3rd.