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Pudge's most famous hook. A copy with an extra Ethereal socket holding Trail of Burning Doom («BUG龙钩» in China) is one of the rarest bugged items: it was listed with a $37,000 buyout in 2021, and a trader valued it at about 200,000 yuan.

Chinese guides describe Unusual couriers that survived having their gems taken out and kept two empty sockets. Normally extracting an Ethereal gem destroys the courier, so such a copy has no effect at all and can be re-customised cheaply.

Legion Commander's arcana, released in December 2013 inside the bug window. Chinese guides describe the original "lava" arcana: a copy with an extra Ethereal socket holding Trail of Burning Doom.

A Spectre immortal from the 2014 Lockless Luckvase. BUFF showcased a Genuine copy with an extra Ethereal socket and a fire effect («BUG幽鬼»); other qualities are traded too.

Morphling's weapon from the 2014 Lockless Luckvase. A bugged copy with an Ethereal effect was offered in June 2025 at $29,000–39,000, with a video as proof.

Lina's arcana. In 2014 socketing the Inscribed "Assists" gem and then removing it could leave an Ethereal socket behind. Chinese guides count single-digit surviving copies per item. A 2017 forum post describes a single arcana with an Ethereal gem valued at "two Golden Baby Roshans".

Faceless Void's mace (every Timebreaker is Elder quality). In 2014 socketing the Inscribed "Assists" gem and then removing it could leave an Ethereal socket behind. Chinese guides count single-digit surviving copies per item. A single bugged Timebreaker is known, with lightning and green effects.

A trader listed a bugged copy with an Ethereal socket for a buyout of ten Dragonclaw Hooks in 2018.

An immortal from the Trove Carafe, the 2014 chest given to streamers and casters; some copies came with an Ethereal socket and carry Trail of Burning Doom. The same staff was the vehicle of the 2014 Dendi autograph duplication.

An immortal from the Trove Carafe, the 2014 chest given to streamers and casters; some copies came with an Ethereal socket and carry Trail of Burning Doom. Only one trader describes ToBD copies of this Shadow Shaman immortal.

An immortal from the Trove Carafe, the 2014 chest given to streamers and casters; some copies came with an Ethereal socket and carry Trail of Burning Doom. Posts mention a "Razor with Trail of Burning Doom"; the item is inferred from the chest contents.

An Enchantress immortal from the 2014 Lockless Luckvase. The bugged copy shown by BUFF is Inscribed and has an extra Ethereal socket; most market listings are normal copies.

Sculptor's Pillar, the TI4 Compendium chest of July 2014, gave some copies an extra Ethereal gem socket that normally exists only on Unusual couriers. The bug was closed by August 2014. Fy played The International 2018 with a bugged copy holding the Bleak Hallucination effect.

Undying's tombstone from the Trove Carafe, a 2014 immortal chest given to streamers and casters. Chinese guides say bugged copies carry the Ethereal socket on the tombstone itself, and the item later appeared on the 2025 duplication list.

An immortal from the Trove Carafe, the 2014 chest given to streamers and casters; some copies came with an Ethereal socket and carry Trail of Burning Doom. Three different traders have offered ToBD copies, one with a $22,222 buyout in 2024.

An Unusual courier normally has a single Ethereal socket; bugged copies have two or three and show several effects at once. One copy with two Ethereal gems plus a Prismatic gem was listed at $12,500 in 2025.

An Unusual courier normally has a single Ethereal socket; bugged copies have two or three and show several effects at once. A copy with two Ethereal gems and a Prismatic gem was listed at $4,400 in 2023.

Unusual couriers that rolled Crystal Rift between November and December 2013 got a stray Prismatic colour (26, 6, 133) instead of Crystalline Blue. Valve fixed the roll by early 2014 but left existing copies, which traders sell as "legacy Crystal Rift"; this badger is a common example.

A regular, non-Unusual courier; bugged copies picked up Ethereal sockets during the 2013–2014 gem bugs and show effects without the Unusual quality. Several sellers offered copies with a Champion's Aura 2014 gem, and dual copies exist (Champion's Aura 2012 + 2014, Trail of Burning Doom + Touch of Frost).

A regular, non-Unusual courier; bugged copies picked up Ethereal sockets during the 2013–2014 gem bugs and show effects without the Unusual quality. Copies with Trail of Burning Doom have been traded since 2019, one at $850 in 2025.

Greevil couriers from the 2012 Frostivus eggs; bugged copies carry one to three Ethereal sockets they should not have. A dual copy with Trail of Burning Doom and Orbital Decay was listed at $2,500 in 2025; sellers say bugged Greevils other than Golden are rarer.

Wards never get gem effects, yet some copies picked up an Ethereal socket during the 2013–2014 gem bugs and show an effect. A 2021 sale list priced a bugged Autographed copy at $2,660.

A regular, non-Unusual courier; bugged copies picked up Ethereal sockets during the 2013–2014 gem bugs and show effects without the Unusual quality. One seller offered a copy with Touch of Flame at $275 in 2022 and at $1,320 in 2026.

A regular, non-Unusual courier; bugged copies picked up Ethereal sockets during the 2013–2014 gem bugs and show effects without the Unusual quality. A dual copy with Trail of Burning Doom and Orbital Decay was listed at $1,350–1,700 in 2025.

One of the regular, non-Unusual couriers that picked up 1–4 Ethereal sockets during the 2013–2014 bug. A 2016 post shows a Baekho with two Ethereal gems; such couriers carry no quality prefix, and more sockets mean a higher price.

Greevil couriers from the 2012 Frostivus eggs; bugged copies carry one to three Ethereal sockets they should not have. Single and dual copies are known, one with Trail of the Amanita and Champion's Aura 2013.

This ward was part of Sculptor's Pillar, and traders say some copies got an Ethereal socket like the other items of the chest. In 2018 the two bugged Pillar wards were quoted at 5–7 thousand yuan; which copies are bugged has to be checked one by one.

Greevil couriers from the 2012 Frostivus eggs; bugged copies carry one to three Ethereal sockets they should not have. A triple copy (Trail of Burning Doom, Bleak Hallucination, Emerald Ectoplasm) was listed at $5,800 in 2025.

A regular, non-Unusual courier; bugged copies picked up Ethereal sockets during the 2013–2014 gem bugs and show effects without the Unusual quality. Single Trail of Burning Doom copies were reposted many times in 2019–2020, and dual and triple copies are known.

A rare bonus ward from Sculptor's Pillar. Collector galleries list bugged copies with an Ethereal socket, but no detailed write-up confirms how many exist.

Tusk's Stinger should carry the Kinetic: Dizzying Punch! gem. A Valve developer explained that 478 copies had all five sockets taken, so they never got the gem and its effect; their owners received an extra Stinger instead.

Awarded for the fastest Roshan kills in Diretide 2012. Teams damaged Roshan before the timer started to post impossible times; Valve made him invulnerable until the last phase but did not revoke the couriers, so exploit-won copies cannot be told apart.

This gem normally comes only from destroying a Platinum Baby Roshan, yet bundles of 43 appeared in June 2025 and 28 sold in two weeks of March after 11 sales in eight years. One gem fell from about $25,000 to $4,000. In 2025 an item duplication exploit hit rare items; Valve stopped market listings of items on trade cooldown on 9 October 2025, while reports of the exploit continued into 2026.

A rare courier named among the duplicated items in 2025 reports. Valve reportedly deleted some duplicates, but in January 2026 the exploit was still described as open. In 2025 an item duplication exploit hit rare items; Valve stopped market listings of items on trade cooldown on 9 October 2025, while reports of the exploit continued into 2026.

The "lava" effect gem. About 150 sold in March 2025 against a couple per week before, which traders linked to the duplication exploit. In 2025 an item duplication exploit hit rare items; Valve stopped market listings of items on trade cooldown on 9 October 2025, while reports of the exploit continued into 2026.

Ursa's Alpine Stalker's set left the store about a week after its 2012 release. On 30 October 2014 it was added to the drop list by mistake and dropped about 20 times before the next day's patch removed it.

Ursa's Alpine Stalker's set left the store about a week after its 2012 release. On 30 October 2014 it was added to the drop list by mistake and dropped about 20 times before the next day's patch removed it.

Ursa's Alpine Stalker's set left the store about a week after its 2012 release. On 30 October 2014 it was added to the drop list by mistake and dropped about 20 times before the next day's patch removed it.

Ursa's Alpine Stalker's set left the store about a week after its 2012 release. On 30 October 2014 it was added to the drop list by mistake and dropped about 20 times before the next day's patch removed it.

On 8 July 2014, inserting this autograph into Skywrath Mage's Empyrean staff and extracting it returned two copies. The duplication was fixed within hours, some accounts were banned, and the price fell from about $400 to $4; duplicates cannot be told apart.

An Ethereal gem with no effect name: the game files map it to a placeholder sparkle and the localisation has no title. Traders describe it as a bugged 2014 Champion's Aura gem without a visible effect.