The Dark Forest

by

Cixin Liu

The ETO is the Earth-Trisolaris Organization, which is a group of pro-Trisolaran humans founded by Ye Wenjie and Mike Evans. The organization works together with the Trisolarans to try and assist the Trisolarans in their plan to invade Earth and conquer humanity. The ETO is initially divided into two factions, the Adventists and the Redemptionists. The Adventists want to assist the Trisolarans in wiping out all of humanity, while the Redemptionists hope that the Trisolarans will help redeem humanity. The ETO appoints “Wallbreakers” to each of the Wallfacers except for Luo Ji to help unravel the Wallfacers’ plans.
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ETO Term Timeline in The Dark Forest

The timeline below shows where the term ETO appears in The Dark Forest. The colored dots and icons indicate which themes are associated with that appearance.
Prologue
Communication, Cooperation, and Fear Theme Icon
Survival vs. Morality Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
Hope vs. Despair Theme Icon
...his ship, which is called Judgment Day. Evans is a leader of the Earth-Trisolaris Organization (ETO), a pro-Trisolaran group of humans. He is communicating with the Trisolorans, the aliens that are... (full context)
Pages 25-43
Communication, Cooperation, and Fear Theme Icon
Hope vs. Despair Theme Icon
The man is a member of the state of the Earth-Trisolaris Organization (ETO), an organization of humans founded by Evans and Ye Wenjie that aims to help the... (full context)
Pages 43-61
Communication, Cooperation, and Fear Theme Icon
Hope vs. Despair Theme Icon
In the Three Body virtual world (the virtual world used by the  ETO that simulates the challenges of the Trisolarans’ home planet, which orbits three suns), King Wen... (full context)
Pages 105-131
Communication, Cooperation, and Fear Theme Icon
Survival vs. Morality Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
...that he rejected the position of Wallfacer, so the man wasted his bullet, and the ETO wasted an assassin. The assailant gives Luo Ji a rueful smile. Luo Ji asks to... (full context)
Strategy, Dishonesty, and Deception Theme Icon
In the virtual Three Body world, members of the Earth-Trisolaris Organization (ETO) meet. They say that they need to respond to the Wallfacer Project, especially considering that... (full context)
Pages 131-150
Communication, Cooperation, and Fear Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
...to the Meditation Room. Hines asks if they’ve heard about the Wallbreaker plan, which the ETO announced on their public website. (full context)
Pages 169-184
Strategy, Dishonesty, and Deception Theme Icon
Hope vs. Despair Theme Icon
...control of the fleet. He then recommends that the PDC limit its attacks on the ETO. If the ETO is wiped out entirely, Tyler says, then the UN will have no... (full context)
Pages 189-212
Strategy, Dishonesty, and Deception Theme Icon
Hope vs. Despair Theme Icon
...swarm plan. Tyler then planned to cede the fighter jets from that plan to the ETO. The ETO would attack Earth’s space force and then retreat to the Trisolaran fleet. To... (full context)
Pages 229-236
Survival vs. Morality Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
Love Theme Icon
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In the Three Body virtual world, members of the ETO meet. They each say that they received a message from the Trisolarans calling for the... (full context)
Pages 239-260
Survival vs. Morality Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
Hope vs. Despair Theme Icon
After Zhang Beihai’s attack on the aerospace contingent, members of the ETO meet in the Three Body virtual world. They say that a sophon told them everything... (full context)
Pages 309-328
Hope vs. Despair Theme Icon
...before waking them. Luo Ji also asks if he is still under threat from the ETO. Jonathan says that the ETO was wiped out a century ago. Jonathan also says that... (full context)
Pages 329-354
Communication, Cooperation, and Fear Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
...charge explains that the virus is called Killer 5.2, which was first designed by the ETO. It’s a virus that makes use of any available hardware to try and kill its... (full context)
Pages 370-391
Communication, Cooperation, and Fear Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
Hope vs. Despair Theme Icon
...Yanxu asks him if he’s has been imprinted with defeatist ideas or whether he is ETO. He says neither is the case. He then tells the people nearby that they must... (full context)
Pages 495-508
Communication, Cooperation, and Fear Theme Icon
Survival vs. Morality Theme Icon
Strategy, Dishonesty, and Deception Theme Icon
Love Theme Icon
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...a mistake with their strategy, and that’s what did them in. Luo Ji says the ETO would have seen through his plan, and the Trisolarans say they should not have abandoned... (full context)