Damage Return is an 
Vitality Gem. This Offense type Gem can be slotted in the third slot of the Vitality attribute tree for a total 13,000 
Gold cost.
Slots 1/2/3/4/5 are at nodes 1, 7, 13, 19, 25 respectively
How to obtain
Damage Return is obtained at level 1.
Damage Return can currently be earned only through chests. Higher rarities have a lower chance of dropping.