Born into the aquatic hierarchy of Glee Anslem, Marlan Saeli was just a young boy by the age of four, when he was brought to the Jedi Academy on Yavin Four. He was sorted into the Thranta Clan, where he was instructed by an elder Chevin Jedi by the name of Arushi Juk.
 
As the years passed by, he progressed quite well in his clan and at one point, by the age of thirteen, a Twi'lek Jedi Knight, saw quite the potential in him. He was later taken on as her Padawan, where he would train to become a great Jedi, one day.
 
Master Laa and Marlan Saeli spent great time together, not just in the Temple, but also in the Outer Rim territories. In these outskirts, they would train, mostly on uninhabited planets, with only the local fauna to join them. Marlan and his Master would spend most of their time on meditating upon the mysteries of the Force, on these uninhabited planets, where a few answers could be found.
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He went on to take his trials by the age of twenty, by the age of twenty one, he displayed a heroic act, few Jedi Padawans posses. He liberated an entire Twi'lek village from Bounty Hunters, who saw these Twi'leks, males and females, as nothing but amusement. They were chained to their own beds, and if they did not do what the Bounty Hunters said, they would be tortured. Rumors would grow about a chemical weapon that the Twi'leks would be experiments for, and the Jedi Council dispatched Padawan Saeli. As he saw his path clear before him, he knew that infiltrating this unit was his only chance of the slightest success. He succeeded in his infiltration and as time grew, he learned more regarding the Bounty Hunters plot. It was revealed to him, that these Bounty Hunters were hired by Lokoa the Hutt. They were to assassinate the Hutt Council, but it had to be tested first, to see if this chemical weapon actually worked. Marlan Saeli knew the horrors the Hutt Cartel have done, countless of times and at first, he felt like turning away, allowing the Bounty Hunters to murder the Hutt Council. He felt that Meditation would give him clarification, early on in his Meditation, it became clear to him that even Hutts deserved to live, and the Twi'leks should not succumb to this.
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He interupted the Bounty Hunters and attempted a rather peaceful negotiation, but they would not listen. They opened fire on Marlan Saeli, he tried to deflected each bullet, but there were some who hit him, he was forced into a corner. Shots were fired behind the Bounty Hunters, as one fell after the other. The twi'leks had taken the chance to rebel against these Bounty Hunters.
 
His mission was a success and he passed his Knight Trials.
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"The brutal death of Shay Puth and Marlan Saeli affected my Master in ways that can barely be explained. She grew colder and she would rarely speak about them..." ~ Kinaya Jikiiti.
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Having trained for many years and eventually having successfully trained two Padawans and done several peace-missions, Marlan become a Jedi Master by the age of 74, he later took on another Padawan by the name of Tela Ta.
 
Master Marlan Saeli was assassinated by the age of 84 in an "unfortunant shuttle explosion".