Tanziver's Trigger Touch

Upon touching a creature you can imbed explosive materials into objects on their person such as armor or equipment. Doing so triggers an instantaneous implosion inwards on the touched creature. The creature must make a Strength Save. On a Failed Save the Creature takes 4d8 Bludgeoning Damage. On a Sucessful Save the creature's damage is halfed.

At Higher Levels. For each level above level 4 the spell is cast it gains an additional 2d8 damage.