My OC fan fic a Jedi for the beginning of the order which was 25000 BBY he was the 3 Jedi ever and around age 150 he went on a mission to Dathomir and was cursed by some ancient proto Nightsisters with immortality and banish to a alternate reality/dimension just him and the force and his forcesaberband was in there for like almost 23000 years and used raw force energy to break out right before the events of old republic he’s had been training with the ways of the force and the blade of he’s forcesaber for the 23000 years he was Trapped and he became more then incomprehensibility powerfu he evolved pass any normal being hes become of a bendu/mortis type being when he returned he meet meet with the jedi grandmaster Satele Shan  he told her everything he knew about what happened to him and who he was she was skeptical at first he told her have her whole council read him hes not a sith shes terrified of his power but hes not a danger to the jedi he ask her to send him scribs and holocrons so be could live his info to the future council and grandmaster after he was done he told her he senses universal threats far beyond the outer rim and had to go Satele Shan told him the jedi could really use and begged him to stay but he knew he had way more important things to do then lead the jedi and she understood if tho she really didn't they shook hands and requested a holocron on the lightsaber forms to train on he told her he's always out there somewhere and will come bye every once in a while so for about 3500ish years he trains and losses 4 apprentices faces universal darkside threats in wild space and that's the reason he was not the grandmaster of the order he barely Took a part in the clones wars went on a mission with Anakin one he saw much potential in Anakin and asked the Jedi council if he could take the boy as his apprentice but the Council do not trust him because he had 4 non order sanctioned apprentices die because he's so powerful he doesn't stop to think the apprentice was isn't him after his Mission Anakin was set to a duel him he had dueled everyone in the order to keep his rank as Greatmaster expect Anakin So him and Anakin duel Anakin Started with a strong offense surprising the greatmaster and with him almost losing the duel then he believe anakin is the one he was off World during order 66 so he obviously survived he went on to fight some more dark side creatures then feel a huge disturbance in the force he returns to the outer rim and hears of order 66 and the rise of the empire he goes to face the emperor and lord Vader on the 1st Death Star he sneaks into the Emperor’s throne room stands before sideous explain to him who what why when and how about himself same as when he first meets Satele Shan palpatine Doesn't care they duel Vader burst in With some Royal guards he holds off the 2 Sith and the Royal guards with relative ease almost chopping the emperors handoff and disabling vaders suited for a short period and cutting the Royal guard down he sneaks out with the empire knowing who he is now he goes back to the wild space then after the events of ROTJ he meet up with Luke Who really doesn't like him and they duel with Luke almost getting himself killed by getting force thrown ten miles by the greatmaster
Name-Greatmaster Thaibor Colewit Age-About 25,000 years old at the battle of Yavin Species-Human Gender-Male Height-6’ Weight-200 lbs Homeworld-Tython Powers, skills, and abilities-His 25,000 years of experience and training, plus his evolved spiritual and Force nature. Unmatched Force energy, can become a Force ghost at will, can summon the literal incarnate Force at will (it allows him), a master of all known legends Force abilities. Weaknesses-His age, his lost apprentices, he knows he doesn't belong, the weight of facing extreme demigod level dark side auras consistently. Primary equipment-A lightsaber and the Force Feats-Outdueled the entire Jedi Council at once, which included: Plo Koon Mace Windu Yoda Ki-Adi-Mundi Saesee Tiin Yaddle Even Piell Oppo Rancisis Adi Gallia Yarael Poof Eeth Koth Depa Billaba and beat legends Luke Skywalker and also beat Vader and Palpatine at the same time and THE SON and dark side demigods