Within the body of Cyclops.
A wave of metal energy travelled through every atom of that body. Even though it is molded and solidified with magma, it is essentially a golem. And that golem's atoms were all effected by this metal energy which morphed into a type of magnetic force.
The ripple style fueled the spread of this force and every metallic molecule within the golem turned into a magnet. And the magnetic force of all these temporary magnetics is of same nature, which made them repel each other.
The molecules broke down bit by bit, but all of it happened so fast, that it looked like it broke down at the same instant and when the molecules are breaking down, the resultant force was fuelled by the void style and minute explosions happened in a large number.
