Horse was described as young looking and energetic. When she addresses Horse, he responds with only a physical shudder. Cognitum shows him off to Blackjack as one of her 'trophies', using his Sweetie Bot companion as an on-and-off host. However, the damage was done and according to Cognitum, his mind was destroyed, leaving him a hollow shadow of his former self, surviving in motionless agony for two-hundred years. On the Last Day, Horse was exposed to enervation and survived in a stasis pod. Horse thought he could use Cognitum's secrets to his advantage and worked with her to remove Goldenblood from power. Eclipse was in fact an undercover Princess Luna, and her copied mind took on a more Nightmare Moon-esque personality and eventually became Cognitum. Goldenblood's associate Eclipse was caught in the machine's copying powers, creating a copy of her mind. He used his demonstration to try and copy Goldenblood's mind, but the latter refused to co-operate willingly. However, it seems that senior OIA management was still loyal to Goldenblood, and may have secretly been running the OIA to Goldenblood's ordersВ during Horse's brief tenure.ДЄt some point prior to taking over Goldenblood's position, Horse built a ripoff of the Crusader Maneframe, able to copy a person's mind/personality instantly. When Goldenblood was arrested for treason and removed as the director of the Office of Interministry Affairs, Luna appointed Horse as interim director. It is not clear whether Horse was directly or indirectly involved with the assassination attempt. During that time, Horse uncovered evidence of the huge scale of Goldenblood's secret projects that Applejack hadn't noticed. Moments after Goldenblood agreed,В both learned of the failedВ assassination of Applejack, and Goldenblood made Horse interim director of the Ministry of Wartime Technology while Applejack recovered. Horse blackmailed Goldenblood with footage of a murder Goldenblood committed beneath Hoofington so that he could get a stake in the OIA's secret projects. Some on the research team hoped the abundance of cheapВ power created by theВ Tokomare would make the zebras surrender andВ buy their energy from Equestria.В Horse seemed to have ambitions to use the Tokomare forВ powering more than just 'light bulbs.' This led to work on the Tokomare, an ancient star metalВ reactor buried underneath Hoofington that, theoretically,В had the potential to produce enough electrical energy toВ power not just Equestria but the entire world several times over, making theВ energy supply problems that started the war moot.

Horse was employed/commissioned by Goldenblood to take on some personal project for him, including a study of starmetal found beneath Hoofington. Horse worked closely with the Ministry of Wartime Technology & Stable-Tec. Horse and his company developed a wide range of robots for commercial and military service.

Horse founded Robronco, which would become Equestria's main manufacturer in robotic technologies.

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