Livewire is a heavy armor set. When you take damage, you have a 25% chance to overload your circuits, applying Concussion to enemies within 8 meters of you and healing for 1000 Health for each enemy hit. This effect can occur once every 10 seconds.
Livewire is part of the Clockwork City DLC and drops in Clockwork City in the Overland content. You can also find it on Guild Traders. Each set item is bound on equip. You can acquire heavy armor, jewelry and weapons for this set in the Apostle motif style.