The collectible Destiny 2 Bound Manacle is tied to the Essence of Insanity and, through it, the Love and Death grenade launcher. This heavy weapon was recently reissued at current Power levels, so it's actually usable and worth farming again. So to help you find the well-hidden Bound Manacle more easily, we've prepared a short guide showing where to find the Gatehouse and the special miniboss inside.
How to find the Gatehouse
The Gatehouse isn't too deep into the Hellmouth, and if you've done any other Essences, you're probably sprinted through it several times already. From the Sorrow's Harbor landing zone, head southwest and hang a right, then take the nearest entrance to the Hellmouth. You'll pass by a group of Acolytes, then another group of Acolytes in a room filled with spires, and then come to a more ornate chamber.
This is all technically the Gatehouse, but this chamber is what you're looking for. Provided you have the Essence of Insanity on your, inside you'll find a yellow-bar Hive Knight with a fancy name. Kill him and you'll automatically collect the Bound Manacle. We discovered this by chance while exploring, so we weren't able to replicate it for the GIF above, so just trust us that the Knight will be there.
Voila! Your Essence of Insanity is ready to go and the Love and Death grenade launcher awaits. It's especially worth grinding this Essence, as grenade launchers are still top-tier for DPS, and Love and Death can roll with rare and potent perk combinations.
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