Complex sentence: Sideshow Bob then reveals a large pile of TNT, with which he shall kill them, thanks to a laptop with a defective battery (which will cause it to overheat and explode) as a detonator.
Split into simpler sentences: Sideshow Bob then reveals a large pile of TNT. Bob is going to use a laptop with a defective battery (which will cause it to overheat and explode) as a detonator.