Bulwark of the Impenetrable

Chest equipment — Rare

Your Protectorate Defenders instead have, "Deathcry - Up to one target other troop you control gets all socketed powers of this. Then, put this into your deck."

Changes: Protectorate Defender
Slot: Chest
Rarity: Rare
Set: Shards of Fate
How obtained: Frost Ring Arena

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