A Long Time Ago In A Galaxy Far Far Away...

Jayik Callis had been away from war for a long time. He hadn't even thought about his last battle since he fought in it. He blocked it out of his memory. He didn't want to think back to that time, it haunted him. It changed him.
He was once a proud young Padawan soon coming into the rank of Jedi Knight but then it happened. Revan's call to war against the Mandalorian invaders! Jayik and his master could not resist the chance to stop the threat and they joined the cause. They fought beside the Republic and set out to stop the Mandalorian's for good. All the while he learned different teachings of wisdom and combat training from his own master.
Many Jedi followed Revan's call even after the Council deemed it unwise. Jayik didn't care what the Jedi Council said he would follow his master anywhere. They had that had bond. One that couldn't be broken, or so he thought.
As Jayik and his master fought battle after battle driving back the enemy, Jayik could see that his master was changing. His master made it his quest to rid the Mandalorian menace once and for all no matter what. During his time in the war Jayik's master took the war very personal. Jayik never knew why or how his master came to be like this but he became sick. He would take the jobs no Jedi would dare to even think about and not even bat an eye. And of course Jayik followed.
They would do the assignments that no one would know about, only Revan. The battles that were kept secret for how terrible they were. Revan wanted to win this fight and so did Jayik's master and they would do anything to achieve this. Jayik and his master were sent out to planets where some Mandalorian's were at gathering supplies, training their children, healing the wounded, and Jayik and his master would go in and wipe them out. It wasn't battles they fought in it was massacres. Jayik was never the same afterwards.
Soon the war was over after the battle of Malachor V where Revan's true colors were shown. He sacrificed thousands of his own men to stop the Mandalorian threat. Malachor was a nightmare for everyone but for Jayik and his master it was just another assignment. They succeeded in the battle and the Mandalorian War was over. War was over and it seemed that the Republic would finally see some peace. Jayik hoped that he would return to his Jedi ways and finally become a full Jedi Knight.
Instead the war was over some people including Jayik's master. Revan and Malak, Revan's second-in-command, led a group of rouge Jedi and republic soldiers into the far depths of space to hunt down the rest of the Mandalorian's. Jayik's master would guide Revan to the different planets the Mandalorian's would hide and they would wipe them out.
Jayik didn't go with his master though. He decided that he was done with war and fighting and even decided to leave the Jedi. Much to his Masters displeasure Jayik walked away from the Force and went into exile. Soon Revan and his followers vanished into deep space never to be heard from again. Until Revan and Malak returned as dark lords of the sith and waged war against the republic. The Sith War had begun.
Jayik had enjoyed the peace and quiet on the world of Corellia. When he heard that Revan and Malak were now Darth Revan and Darth Malak and were attacking the Republic he knew his old master was with them. Jayik knew that his master would very powerful now and that the Jedi had no idea what was going on. Jayik knew that he would have to be the one that stopped his old master and he would do it.
He enjoyed the quiet life and would now have to return back into the fray of battle to stop the one man he looked up to the most. It would be a long journey but Jayik was up for it, but first he would need a lightsaber.