Thorium Brotherhood Important NPCs

NPCs

Derotain Mudsipper

Derotain Mudsipper is located in Gadgetzan. If your level is high enough (50) and Blacksmithing skill is high enough (265), he will give you the seven recipes for Imperial Plate in exchange for multiple stacks of Thorium Bars.

Imperial Plate Belt (10 bars)
Imperial Plate Boots (20 bars)
Imperial Plate Bracer (10 bars)
Imperial Plate Chest (30 bars)
Imperial Plate Helm (25 bars)
Imperial Plate Leggings (30 bars)
Imperial Plate Shoulders (10 bars)

The set gives these bonuses as more pieces are worn:

2: +100 Armor.
4: +28 Attack Power.
6: +18 Stamina.

To complete all of the Imperial Plate quests, you will need a total of 135 Thorium bars, or 6.75 stacks. No other materials are required for the quests.

You get 250 Reputation points for agreeing to the exchanges and then 250-500 Reputation points for each plan for a total of 2850 Reputation points.

Lokhtos Darkbargainer

Lokhtos Darkbargainer is found in the Blackrock Depths bar. You can give him different items to receive faction with the Brotherhood.

Ten [Dark Iron] Ores for 75 Reputation Points.
Two [Core Leather] for 350 points.
One [Fiery Core] for 500 points.
One [Lava Core] for 500 points.
One [Blood of the Mountain] for 500 points.

It is recommended that you do the Thorium Point quests first to get to Honored and then the Imperial Plate Armor quests to get partway to Revered before starting these turnins to Lokhtos.

Of the gifts, [Dark Iron Ore] can be mined in the Blackrock Depths and Molten Core. As of patch 1.7 [Dark Iron Ore] will also occasionally appear in the Searing Gorge and the Burning Steppes. The [Blood of the Mountain] is a rare gem from the same veins. [Fiery Core] and [Lava Core] drops in the Molten Core. [Core Leather] can be skinned from level 62 Ancient Core Hounds in the Molten Core or as of 1.8 patch Magmadar. These require Skinning of 310 or 315 respectively. Without the Burning Crusade expansion, skinning of over 300 is attained via [Finkle's Skinner], a dagger which drops in Blackrock Spire from The Beast, or the [Zulian Slicer], a sword which drops in Zul'Gurub from High Priest Thekal, the Tiger Aspect. Both give +10 skinning. Having the +5 skinning enchant on gloves helps reduce failed chances on Ancient Core Hounds or is required for skinning Magmadar if you do not have both skinning knives or the Burning Crusade expansion.

At each new level of faction, Lokhtos offers a new set of recipes. These recipes require some combination of the items you can offer him to gain faction.

Alchemy Recipes

Transmute: Elemental Fire - Friendly Faction

Blacksmithing

[Dark Iron Bracers] - Friendly Faction
[Dark Iron Helm] - Honored Faction
[Dark Iron Destroyer] - Honored Faction
[Dark Iron Reaver] - Honored Faction
[Fiery Chain Girdle] - Honored Faction
[Black Amnesty] - Revered Faction
[Blackfury] - Revered Faction
[Fiery Chain Shoulders] - Revered Faction
[Dark Iron Gauntlets] - Revered Faction
[Dark Iron Leggings] - Revered Faction
[Blackguard] - Exalted Faction
[Dark Iron Boots] - Exalted Faction
[Ebon Hand] - Exalted Faction
[Nightfall] - Exalted Faction
[Sulfuron Hammer] - Special

Enchanting Formulas

[Formula: Enchant Weapon - Strength] - Friendly Faction
[Formula: Enchant Weapon - Mighty Spirit] - Honored Faction
[Formula: Enchant Weapon - Mighty Intellect] - Revered Faction

Leatherworking Patterns

[Molten Helm] - Friendly Faction
[Corehound Boots] - Friendly Faction
[Lava Belt] - Honored Faction
[Black Dragonscale Boots] - Honored Faction
[Molten Belt] - Revered Faction
[Corehound Belt] - Revered Faction
[Chromatic Gauntlets] - Revered Faction

Tailoring Patterns

[Flarecore Gloves] - Friendly Faction (8g)
[Flarecore Mantle] - Honored Faction (18g)
[Flarecore Robe] - Honored Faction (6g)
[Flarecore Leggings] - Revered Faction (8g)

Malyfous Darkhammer

Malyfous Darkhammer is another member of the Brotherhood, found in Winterspring. He gives the quest Fiery Plate Gauntlets. It isn't known whether more quests with him are unlocked with higher faction, but neither of these quests give Thorium Brotherhood faction reputation.