Of its 20 pieces, 18 drop from bosses and 2 are world drops. It mixes Leather (19) and Cloth (1). Wearing them requires level 60. The set was added in patch 9.0.2.
Source is the collection journal’s own source for each appearance, read from the current retail build; bosses, quests, recipes, prices and requirements come from the game’s item, journal and quest records.
What This Set Covers
This is a complete head-to-toe outfit - it fills 9 armor slots, so it can be worn as a full look with nothing borrowed from another set. 18 of 20 pieces are Bind on Pickup.
Slot and binding read from the current retail build’s item records for this set’s own pieces.
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Where These Pieces Drop
18 of this set's 20 pieces drop from 14 encounters in Castle Nathria and Shadowlands. The rest come from vendors, quests, crafting or world drops, which the dungeon journal does not record.
Drop chances are not stored in the client data we mine, so none are shown here.
Where to Farm This Set
14 bosses in Castle Nathria and Shadowlands drop pieces of this set. Each instance below carries its Adventure Guide entry, where its entrance is, and what each boss drops.
Long has Sire Denathrius ruled the denizens of Revendreth as they harvested anima from prideful souls. But as drought and fear gripped the Shadowlands, Denathrius revealed his true loyalties. In defiance of his former Master, the noble Prince Renathal gathers his few remaining allies for a desperate mission to infiltrate Castle Nathria and remove Denathrius from power.
The entrance is in Revendreth at 46.6, 41.5 (/way #1525 46.6 41.5).
Castle Nathria entrance
Shriekwing drops 2 pieces of this set (Legs, Back). Adventure Guide map pin: 59.3, 81.1 on the Castle Nathria map. Tasked with guarding Castle Nathria's entry hall, the blind monster Shriekwing locates her victims with horrifying cries that reverberate off the chamber's walls. The last sound heard by trespassers in the Grand Walk is the monster's cry as she descends upon her prey.
Huntsman Altimor drops 1 piece of this set (Waist). Adventure Guide map pin: 67.6, 49.5 on the Castle Nathria map. Sire Denathrius seldom engages in the hunts himself, but Altimor makes certain the master has the finest beasts should he ever choose to indulge. Margore, Bargast, and Hecutis has been trained longer than most beasts have existed, and each is ready to deliver the Huntsman's wrath to any in his domain.
Sun King's Salvation drops 1 piece of this set (Hands). Adventure Guide map pin: 52.9, 74.6 on the Castle Nathria map. In the sinister confines of Castle Nathria, souls are being tortured not to redeem their sins, but to amplify them. The prideful Prince Kael'thas has been burdened with the sins of others, and his pain and hatred are channeled to make him a powerful weapon. This has imperiled his soul like no other, and it must be saved--if only to keep it from being unleashed upon the Shadowlands.
Artificer Xy'mox drops 1 piece of this set (Wrist). Adventure Guide map pin: 65.4, 23.6 on the Castle Nathria map. Not everyone in Castle Nathria is loyal to Sire Denathrius. Some simply saw an opportunity and exploited it to their own ends. Artificer Xy'mox has worked with Denathrius but is mostly concerned with getting the better end of the deal, which may require the end of Nathria's invaders.
Hungering Destroyer drops 2 pieces of this set (Chest, Legs). Adventure Guide map pin: 35.8, 34.7 on the Castle Nathria map. The devourers consume anima wherever they can find it. With drought afflicting the Shadowlands, it is no surprise that the hungriest and most dangerous of the devourers is drawn to the abundant store of anima here in the depths of Castle Nathria.
Lady Inerva Darkvein drops 1 piece of this set (Hands). Adventure Guide map pin: 36.4, 44.3 on the Castle Nathria map. Anima fuels the Shadowlands, and Lady Inerva Darkvein seeks to unlock its mysteries. Under Denathrius's tutelage, she has learned insidious secrets to turn against his enemies. She will strip anima from Nathria's invaders and use it to shape a dark new future.
The Council of Blood drops 2 pieces of this set (Chest, Feet). Adventure Guide map pin: 70.2, 54.7 on the Castle Nathria map. The Council of Blood presides over courtly functions in Revendreth. Castellan Niklaus is a strict military commander with an indomitable will and impenetrable armor. Lord Stavros, a foppish dandy, leads the court in dance but is also deadly with his blades. Baroness Frieda wields powerful anima magics and commands the dredger wait staff--along with the respect of the entire court.
Sludgefist drops 1 piece of this set (Waist). Adventure Guide map pin: 70.2, 81.5 on the Castle Nathria map. Sludgefist was born in the muddy foundation beneath Castle Nathria and now wanders the halls as he awaits orders from Sire Denathrius. His massive footsteps reverberate throughout the castle, announcing his arrival from several rooms away.
Stone Legion Generals drops 1 piece of this set (Shoulder). Adventure Guide map pin: 26.3, 51.8 on the Castle Nathria map. The ancient stoneborn generals, Kaal and Grashaal, have hounded the Prince Renathal's rebellion at every turn. Once they were General Draven's apprentice and mentor; now their strength, strategy, and soldiers have been unleashed against him and any who would defy the Sire's will.
Sire Denathrius drops 1 piece of this set (Head). Adventure Guide map pin: 52.6, 52.3 on the Castle Nathria map. For countless ages, Sire Denathrius stood among the Eternal Ones who rule the realms of Death. But in the Shadowlands' darkest hour, he has betrayed his sacred duty. With his bloodthirsty living blade Remornia at his side and defended by his most sychophantic loyalists, Denathrius will cut a swath through any who stand against him and cast their remains into the inescapable terror of the Maw.
The Shadowlands are the lands beyond the mortal realm of Azeroth, where the souls of the dead travel to upon passing. The Arbiter, a being of great power, once guided these souls to one of many different afterlives. Now, all souls are being sent to the Maw, a place of eternal torment. The denizens of the Shadowlands, from the peaceful Kyrians of Bastion and the Night Fae of Ardenweald to the cunning Venthyr of Revendreth and warlike Necrolords of Maldraxxus, must now come together to stem the flow of souls.
Mortanis drops 1 piece of this set (Feet). One of the most studied necromancers of the House of Rituals, Mortanis has been working tirelessly on a means of transforming himself into a more powerful form. Now, he is only a few moments from succeeding.
Nurgash Muckformed drops 1 piece of this set (Waist). Formed from the sludgy mass of many dripping dredgers, and empowered with dark magics by Denathrius's most elite sorcerers, Nurgash is not the most intelligent minion, but his fists can crush castles.
Oranomonos the Everbranching drops 2 pieces of this set (Legs, Hands).
Valinor, the Light of Eons drops 1 piece of this set (Wrist).
Versions and Companion Sets
The game links 3 other versions to Sin Slayer's Leathers, each labelled the way the collection journal labels it. This page is the Normal version.
1 other set reuses the 3D models of Sin Slayer's Leathers’s head, shoulder, chest, legs, feet and hands, most shared models first:
Sinful Gladiator's Leathers (Shadowlands, 18 pieces): the same head, shoulder, chest, legs, feet and hands models, recoloured.
Matched in the game files: each piece’s ItemDisplayInfo names its 3D model and texture. The same model with another texture is a recolour. Only pieces with a 3D model of their own (helms, shoulders, cloaks, weapons, shields, off-hands and some belts and robes) can be compared this way; pieces drawn from textures alone are left out.
Buying the Tradeable Pieces
2 pieces of Sin Slayer's Leathers can be listed on the Auction House (they do not bind on pickup); 2 have a listing on US connected realms in our latest scan.
Lowest listed price on any US connected realm in our recorded Auction House scan, per piece; transmog gear is priced per realm, so the realm named is where that price was seen.
The game data carries 4 separate set records under the name Sin Slayer's Leathers - one per class or armor weight, plus the per-slot recolours the appearance was built from. This page is the one we index for the name; the others are listed here so nothing is lost.
TheWoWDB
Castle Nathria entrance