ETO
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Entity Info
Original Name:ETOGender:NeutralScope:Novel-specificStatus:ActiveSource:AIOccurrences:974Chapters:131
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Context UptoCh. 384
Wiki ModelGPT-5.6 Terra
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Updated2 weeks ago

Biodata

Feature Details
Name Earth–Trisolaran Organization 240
Alias(es) ETO
Affiliation Initially serves the Trisolaran Civilization under Sophon's oversight 15
Occupation/Role Anti-human clandestine organization tasked with Wallbreaking, obstructing humanity's departure from the Solar System, and eliminating Luo Ji 15
Status Defeated and dismantled after Sophon abandoned it, depriving its Kuiper Belt forces and terrestrial cells of their intelligence advantage 154
First Appearance 1

Background & History

The ETO operates as a human organization aligned with the Trisolarans. Its members regard the Trisolarans as their “Lord” and use the Three-Body Game as a meeting space, where Sophon can appear as the Trisolaran representative. The Trisolarans reorganized the organization around Wallbreaker operations intended to expose Wallfacers’ hidden plans. 15

Sophon reprimands the ETO after it publicly exposes Wallfacer plans beyond its assigned remit. Its stated duties are limited to Wallbreaking, stopping humanity from leaving the Solar System, and eliminating Luo Ji; independent interference is forbidden unless ordered. 15

The organization repeatedly focuses on Feng Taylor, initially treating him as an expendable Wallfacer substitute. His plans, evasions, and survival of multiple assassination attempts gradually make him a priority target, culminating in a second Trisolaran kill order. 41 89

As the ETO declines, it adopts a Seclusion State, concealing its continued existence while trying to guide human civilization toward collapse from within. Hu Hai later advocates an “active” form of seclusion: infiltrating the highest levels of human government, occupying a majority of PDC seats, and covertly building an ETO fleet in the Kuiper Belt. 123 125 130

Organization

Known Members

Member Position or activity
Qin Shi Huang Early high-ranking member; convenes discussions of Feng Taylor’s second kill order and proposes using Trisolaran records to identify traitors. 66 89
John von Neumann Volunteers as Feng Taylor’s Wallbreaker; later analyzes Taylor’s plans and briefs ETO leadership. 6 82
Mozi Wallbreaker who claims the second successful Wallbreak against Feng Taylor; later becomes a prominent senior member. 41 66
King Arthur Senior member involved in assassination planning and disputes with Mozi over strategy. 30 41
Boer Senior member active during the organization’s later hidden period; coordinates sabotage targeting humanity’s antimatter program. 119
Hu Hai Proposes the active Seclusion State and the development of a Kuiper Belt fleet. 125 130
Diao Chan Leaks Feng Taylor’s Rouen travel plans to hostile factions without authorization, jeopardizing the ETO’s concealment. 123
Alexander Commander of the ETO’s Armed Industrial Fleet in the Kuiper Belt. 150

Wallbreakers

The ETO assigns Wallbreakers to reconstruct a Wallfacer’s intentions from surveillance, recorded behavior, and psychological inference. Von Neumann volunteers to target Feng Taylor, while Mozi later claims a successful Wallbreak that elevates his standing within the organization. 6 37 41

Intelligence Network

  • Sophon surveillance — ETO members receive Trisolaran intelligence and can communicate through Sophon, including by exchanging text while outwardly playing chess. 116
  • Thought-model analysis — Mozi states that the ETO collects a target’s conversations, actions, and micro-movements, then uses host simulation to build a model of their thought patterns. 37
  • Three-Body Game — Serves as a concealed meeting environment for ETO leadership and as a place for Sophon to relay Trisolaran orders. 15 89
  • Peripheral agents — The organization uses ordinary communication channels to direct people who act for profit or leverage but lack knowledge of the ETO’s wider structure. This vulnerability eventually allows the PDC to trace and arrest members. 137

Operational Methods

  • Wallbreaking — Publicly exposes or claims to expose Wallfacer plans in order to damage their credibility and psychological state. 15 41
  • Assassination — Plans attacks against Feng Taylor through snipers, explosives, infiltrators, and outside factions; these efforts repeatedly fail due to his security and use of substitute robots. 28 63 123
  • Thought Imprints and cloning — Uses Thought Imprints to sustain loyalty and plans to use cloning to expand manpower for its hidden space forces. 130 152
  • Political and public-opinion manipulation — Exploits scandals, social conflict, and opposition to Electronic Humans to weaken the PDC and direct public sentiment. 96 137
  • Kuiper Belt warfare — Builds hidden logistical bases inside meteorites and relies on Sophon intelligence to conduct guerrilla warfare against human fleets. 154

Major Operations

Period Operation Outcome
Early Crisis Era Wallbreaker Operation against Feng Taylor — ETO gathers intelligence on Feng Taylor and seeks to expose his plans. 35 37 Its Wallbreaks fail to halt his broader development efforts; ETO concludes that killing him is more effective than further Wallbreaking. 96 99
Crisis Era Stage Operation — ETO issues a challenge to Feng Taylor and attempts to pressure him through a public Wallbreaker operation. 8 Does not secure Feng Taylor’s defeat.
Crisis Era Assassination campaign — ETO plans to break Feng Taylor psychologically before killing him, then considers attacks on his aircraft and other direct methods. 28 30 Multiple attempts fail; Feng Taylor later evades a staged Wallbreaker assassination with a remotely controlled robot double. 63 66
Later Crisis Era Seclusion State — After its decline, the ETO hides its survival and shifts from open attacks to slow societal manipulation. 116 123 Its cover is compromised when the PDC traces its peripheral operatives through conventional communications. 137
Later Crisis Era Active Seclusion State — Hu Hai proposes infiltrating the PDC and securing more than half its seats within twenty years. 125 The ETO also redirects resources toward covert space expansion.
Later Crisis Era Kuiper Belt fleet project — The ETO develops an Armed Industrial Fleet, using cloned personnel, Thought Imprints, meteorite bases, and Sophon intelligence. 130 150 152 The fleet is eventually dismantled after Sophon abandons the ETO and its concealed supply network becomes vulnerable to human surveillance. 154

Relationships

  • Trisolaran Civilization — Patron and intended beneficiary of the ETO’s anti-human activities; later abandons the organization after losing trust in it. 15 154
  • Sophon — Trisolaran overseer and intelligence source. Sophon disciplines the ETO, sets its authorized duties, and ultimately withdraws support. 15 154
  • Feng Taylor / Lin Feng — Primary Wallfacer target. The ETO Wallbreaks him, issues repeated assassination plans, and regards him as a growing threat to the Trisolarans. 41 89 116
  • Other Wallfacers — Core enemies whose plans the ETO is tasked with exposing; Luo Ji is specifically designated for elimination. 15
  • PDC — Target of the ETO’s planned political infiltration and public-opinion operations. 125 137
  • Taylor System — Opposing power center whose growth, military forces, and protection of Lin Feng make it a major obstacle to the ETO. 123 154

Notable Quotes

“We must abandon our current passive Seclusion State and transform it into an active Seclusion State.”
— Hu Hai 125

“The organization's true enemy is all of humanity, not just the Wallfacers.”
— Hu Hai 130

“ETO's duties consist only of Wallbreaking, preventing humanity from leaving the Solar System, and eliminating Luo Ji.”
— Sophon’s directive to the ETO 15