Hydrarch Warplate

This suit of armor appears as a mass of interlocking plates, each adorned with images of serpentine forms. While wearing the Hydrarch Warplate, you gain a +2 bonus to AC. Additionally, when you take damage from an attack, you can use your reaction to release a wave of energy around you, dealing 2d6 force damage to all creatures within 10 feet and pushing them back 5 feet. This ability can be used once per short or long rest. If you are a construct, you have advantage on saving throws against being moved or knocked prone while wearing this armor.