Where to Farm Plans: Heavy Mithril Helm

The best place to farm Plans: Heavy Mithril Helm is Tanaris, where Centipaar Swarmer (level 49-50) drops it at 0.0%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 531 sources are ranked below by drop chance.

Gold per kill: Centipaar Swarmer is worth about 6s 40c a kill in item drops (at Auction House prices). Gold farming spots, level 40-50

Best zones:

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  1. Grimungous 70.2, 55.4
  2. Solid Chest 61.5, 64.8
  3. Vilebranch Blood Drinker 64.9, 82.5
  4. Vilebranch Shadow Hunter 62.6, 72.2
  5. Vilebranch Warrior 66.8, 64.5
  6. Vilebranch Berserker 64.1, 70.5
  7. Vilebranch Soul Eater 58.0, 72.3
  8. Vilebranch Headhunter 68.2, 70.7
8 sources in The Hinterlands, each where it spawns most often; click a pin for the source.Larger map

All sources, by drop chance:

SourceLevelZoneSpawnsSideHowDrop%Map
Vilebranch Blood Drinker(elite)49-50+The Hinterlands28Drop0.0%map
Vilebranch Soul Eater(elite)49-50+The Hinterlands15Drop0.0%map
Vilebranch Warrior(elite)45-46+The Hinterlands19Drop0.0%map
Murk Spitter(elite)46-47+Swamp of Sorrows6Drop0.0%map
Atal'ai Warrior(elite)48-49+The Temple of Atal'Hakkar11Drop0.0%map
Atal'ai Witch Doctor(elite)49-50+The Temple of Atal'Hakkar28Drop0.0%map
Enthralled Atal'ai(elite)45-46+Swamp of Sorrows9Drop0.0%map
Mummified Atal'ai(elite)46-47+Swamp of Sorrows23Drop0.0%map
Atal'ai Priest(elite)46-47+Swamp of Sorrows9Drop0.0%map
Atal'ai High Priest(elite)50-51+The Temple of Atal'Hakkar2Drop0.0%map
Centipaar Swarmer49-50Tanaris84Drop0.0%map
Margol the Rager(elite)48+Searing Gorge1Drop0.0%map
Twilight Fire Guard(elite)48-49+Searing Gorge23Drop0.0%map
Sandfury Shadowhunter(elite)45-46+Zul'Farrak35Drop0.0%map
Sandfury Executioner(elite)46+Zul'Farrak1Drop0.0%map
Stonevault Mauler(elite)44-45+Uldaman9Drop0.0%map
Ruuzlu(elite)46+Zul'Farrak1Drop0.0%map
Sul'lithuz Sandcrawler(elite)45-47+Zul'Farrak19Drop0.0%map
Sul'lithuz Abomination(elite)47+Zul'Farrak2Drop0.0%map
Hakkari Sapper(elite)49-50+The Temple of Atal'Hakkar7Drop0.0%map
Timberweb Recluse47-48Azshara24Drop0.0%map
Anvilrage Soldier(elite)52-53+Blackrock Depths38Drop0.0%map
Anvilrage Officer(elite)53-54+Blackrock Depths20Drop0.0%map
Fireguard(elite)50-52+Blackrock Depths11Drop0.0%map
Twilight's Hammer Torturer(elite)50-51+Blackrock Depths24Drop0.0%map
Scarshield Grunt(elite)53-54+Burning Steppes7Drop0.0%map
Scarshield Spellbinder(elite)54-55+Blackrock Spire26Drop0.0%map
Guzzling Patron48-52Blackrock Depths28Drop0.0%map
Spiked Stegodon(elite)53-54+Un'Goro Crater3Drop0.0%map
Occulus(elite)50+Tanaris1Drop0.0%map
Caravan Master Tset53Azshara1Drop0.0%map
Anvilrage Marshal(elite)54-55+Blackrock Depths12Drop0.0%map
Twilight Bodyguard(elite)53-54+Blackrock Depths5Drop0.0%map
Cave Creeper50-520Drop0.0%map
Scarshield Warlock(elite)54-55+Blackrock Spire10Drop0.0%map
Nightmare Wanderer(elite)49-50+The Temple of Atal'Hakkar14Drop0.0%map
Gammerita(elite)48+The Hinterlands1Drop0.0%map
Bloodaxe Worg Pup52-53Blackrock Spire12Drop0.0%map
Spire Spiderling55-56Blackrock Spire12Drop0.0%map
Mangled Cadaver(elite)55-56+Stratholme42Drop0.0%map
Skeletal Guardian55-56Stratholme67Drop0.0%map
Eye of Naxxramas55-57Stratholme3Drop0.0%map
Cobalt Whelp54-55Winterspring18Drop0.0%map
Cobalt Broodling55-56Winterspring22Drop0.0%map
Spell Eater54-56Winterspring11Drop0.0%map
Hitah'ya the Keeper(elite)51+Arathi Highlands1Drop0.0%map
Shatterspear Troll52-58Darkshore44Alliance onlyDrop0.0%map
Ice Giant(elite)50-51+0Drop0.0%map
Blizzard Elemental(elite)50-51+0Drop0.0%map
Mossflayer Zombie53-54Eastern Plaguelands13Drop0.0%map
531 found
Classic data: from the patch 1.12 world data, not yet confirmed in Forever.

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Drop% is the rate recorded in Forever once a source has been looted ten times; a greyed figure is the vanilla 1.12 chance from the world data (classic data: from the patch 1.12 world data, not yet confirmed in forever). Spawns counts the source's spawn points in the world data. "Side" names which side can kill the NPC when the other finds it friendly. The lead picks the best chance among sources that are not a rare spawn and have at least three spawn points.