New spell! Exploding death!

This New spell named, Exploding Death will cost 15,000 elixir and can be upgraded. This new spell will create a ring that causes any troops that go in this ring to have this ability. This new spell will make the troops that are in this ring to have an ability that causes the troop to explode when it is killed and cause damage to any buildings and/or defenses within 3 tiles surrounding that troop. This ability will cause 10 damage when this troop explodes. The troops will have this ability for 5 seconds after it leaves this ring of power. When this spell is upgraded, the troops can have this ability for more time and can cause more damage. This spell will take 30 minutes to be created.