El Dorado (エルドラド, Eru Dorado) is the supposed antagonist organization in the Inazuma Eleven GO Chrono Stone series, until Feida turned out to be the real antagonist. Their headquarters, Saint Elda, is located in the Future City.
- Protocol Omega
- Team A5 (Not officially ordered to carry out missions)
- Protocol Omega 2.0
- Protocol Omega 3.0
- Zanark Domain (Not official)
- Perfect Cascade
- El Dorado Team 01
- El Dorado Team 02
- El Dorado Team 03
Inazuma Eleven GOThey first appeared at the end of episode 47, watching the interview of Endou Mamoru.
Inazuma Eleven GO 2: Chrono StoneThey appeared in the first episode of Chrono Stone.
When Protocol Omega lost in episode 4, they were replaced by Beta and Protocol Omega 2.0 in episode 5. However, only Alpha and three others members, Netan, Jini and Kual were sent to the MUGEN Prison. The seven others members, teamed up with Orca, Dorimu, Ward and Beta and became Protocol Omega 2.0.
In episode 17, Toudou was seen holding a purple Chrono Stone, in which Endou Mamoru was imprisoned in. He was wondering if he could use it to increase power of Protocol Omega since is also happened with Endou Daisuke's one and Raimon.In episode 18, Toudou and the other commanders were talking about Nanobana Kinako, Raimon's ace striker who suddenly appeared in the timeline because of a time paradox. Later, Gamma appeared, taking Beta's place as the captain and replacing Dorimu, Gaura, Neira and Zanou with Rujiku, Galling, Dhanna and Bahamusu to create Protocol Omega 3.0. Later, Zanark Avalonic started talking to Toudou and the others commanders through the Route Craft's camera about a deal.
In episode 21, when Protocol Omega 3.0 was defeated, Zanark sent them away to an unknown place, in which one of the members of El Dorado said he treated them like toys. Toudou answered that Zanark is someone who doesn't hear insolence. However, he continued by saying it could be the time to use "him", and finished by saying he was impatient to see what reaction "he" would have.
In episode 32, El Dorado's commanders received the information concerning Torb. He was accidentally sent to the Cretaceous Era by a time machine. He could learn how to speak with a module installed in it. However, Torb thought that the dinosaurs were his parents and thus thought that Tochan was his father.
In episode 39, Raimon was teleported to El Dorado's headquarters. Toudou and Sakamaki appeared and started talking to them. They explained their true intentions to Raimon and told them about the Second Stage Children's actions and the Ragnarok Tournament. After that, they asked Raimon if they would join forces with them and after some thinking, Raimon decided to join.
The MUGEN Prison (ムゲン牢獄) (dub: CONTRA Facility), whose initials mean "Must-Generic Training Center" ("Confinement Training Facility" in the dub), is a location where Protocol Omega's teams were sent since they weren't strong enough against Raimon. As the name suggests, they're training hard there to level up. Zanark was sent to the MUGEN Prison too as a S-Rank criminal, but he escaped in episode 18 and become the first person to ever escape from it.
- The captains like Alpha, Beta, Gamma, Zanark and Rei Rukh all have a Sphere Device.
- Their Sphere Devices are coloured differently: Alpha's, Beta's and Gamma's are white, while Zanark's is red and Rei's is blue.
- All the hissatsus used by El Dorado's players are called "Keeper Command", "Defense Command", "Offense Command" and "Shoot Command" to classify what type of hissatsu, then followed by a number.
- When the hissatsu is a keshin one, there is a "K" just before the number.
- When it's a hissatsu tactic, it's called "Tactics" followed by some numbers and letters.
- After the hissatsu is used, there is a voice which says its second name, which is in reality the true name of the hissatsu, the first being just a codename.
- El Dorado's headquarters were destroyed by Feida's Second Stage Children. Its ruins were then used by them to create the Ragnarok Stadium, which holds the Ragnarok Tournament.
- In the anime, some members from the Protocol Omega teams (Jini, Kuosu, Netan, Kual, Zanou, Neira, Dorimu and Bahamusu) and most of Perfect Cascade's members didn't get selected to play with Raimon's members during the Ragnarok tournament.