Way of the Gremlin Monks train their bodies so they do not have to rely on the evils of metal and technology.

Iron Shirt

The Way of the Gremlin monk doesn't much in armor (and clothes) so they use their inner energy and strength to defend them.

Fist of the Barrier Slayer

The Way of the Gremlin Monk lets nothing stand in their way.

Fist of Rust

The Way of the Gremlin Monk destroys the weapons of their opens.

Haywire Haymaker

 The Way of the Gremlin Monk's strikes are designed to "slay" constructs.