Ancients Awakened/Heart of Sorrow

Heart of Sorrow is a post- tier Expert Mode-exclusive accessory that is obtained from the Treasure Bag dropped by. While equipped, your melee and ranged attacks become stronger the less health you have, your melee and ranged attacks inflict when above 1/3 of your maximum life and  when below that health threshold. Also, your movement speed is doubled when below 2/3 of your maximum life.

Its counterpart is, which focuses on mage and summoner users.