Heartshard

The Heartshard Head style is droped by a Zetta-Drone in the level 30 raid Batcave: Inner Sanctum.

The Heartshard Shoulders style is droped by Brother Eye in the level 30 raid Batcave: Inner Sanctum.

The Heartshard Chest style is droped by yet again Brother Eye in the Batcave: Inner Sanctum.

The Heartshard Back style is droped by a Riot Control Prototype in this time the Batcave: Outer Caverns.

The Heartshard Waist style is droped by either Pharaoh Vezina in the level 30 raid Kahndaq. Or the wasit can be acquired by defeating a Zetta-Drone in the Batcave: Inner Sanctum.

The Heartshard Leg style is droped by Black Adam after defeating him in the level 30 only raid Kahndaq.

And finaly the Heartshard Feet style is droped by OMAC Batman in the level 30 raid Batcave: Brainiac Sub-Construct.