Robes of Dark Rebirth

Chest equipment — Uncommon

Your Corrupt Harvesters have, "When this deals damage to an opposing champion, void target troop in an opposing crypt. Gain for each troop voided this way."

Changes: Corrupt Harvester
Slot: Chest
Rarity: Uncommon
Set: Shards of Fate
How obtained: Set 1 Chest Loot

What it does is the game's own text; how it was obtained is from the owner's records.