Ultranium/Xenanis' Core

Xenanis' Core is an Expert Mode-exclusive that is obtained from '. When equipped, the player gains 15% increased damage and critical strike chance below 50% health. You can also use the hotkey to unleash a circle of homing ethereal bolts that homes in on enemies. This ability has a 15 seconds cooldown so you can't use it repeatedly.

Tips

 * You can purposefully lower your health below half so you can get all the offensive buffs if you do not care about any defensive capabilities. This technique proves to be very useful, especially for nohitters, as this accessory with the offense buffs can outclass almost all of the other damage accessories.