Caltin was barely a Knight when the Battle of Coruscant happened, but he was. He was idealistic, he fought bravely and believed in the ideals of the Order.
Then that night happened.
He watched the Squad he had worked with so many times in the past shooting at Padawans, at other Knights, and Masters. His former Master was nowhere to be seen.
He was not in the right frame of mind, and then Master Beq was leading younglings to safety and then a wave of resolve washed over the big kid. It was a resolve that would define him the rest of his life. It would be this resolve that would keep him out of any "Council" room, both out of his own principles(He feels that he is a better example to his fellow Jedi out among them and not in chair up in a tower, NO shame or disrespect on
any Council member he just doesn't fit that mold... that both
was and
wasn't a rip on how big he is)...
... and the fact that... well... let's face it, he can be a grumpy (Thanks
Ala Quin
for that!

) A-hole.
Getting back to Master Beq, Caltin joined that fight and at that point saw this as his last night alive so was more and more feral in his attacks. This was a losing battle, and they all knew it, but more and more younglings were able to escape because of the group lead by the Academy instructor. It was when one was found to be still hiding, in a turbolift that more squads were in between them. Caltin threw his life and caution into the wind and fought like mad to hold them off with the others as Master Beq went after the child like fifty year old Padawan.
His friends were falling, but they were leading the Clones away, it wasn't until he came across the new Dark Lord of the Sith... a Lord who was once his friend and compatriot... one who had taught him the fifth form. This was "someone else", clearly not his friend anymore, killing everyone.
Caltin grabbed Aturin's (his one time best friend) lightsaber and along with his own fought as hard as he could, but Sith's abilities were just too much. The big kid was not afraid to die, but he was going to hold the line long enough for those who survived around him to escape.
He did.
Two of those who escaped were outside in an airspeeder, and that was his opportunity, this was his moment. A surge of energy, or adrenaline was exploding in him as he closed his arms and threw them outward in a repulse of Force Energy throwing the Sith Lord back hard and he jumped out the window and onto the speeder.
They disappeared into the night.
Why did my narrator just tell you a story? I told him to. I told him to because I noticed others laughing, and taking notes, and having a good time. That's absolutely fine, laugh it up. My colleagues reading this though, don't fail at history, or you will repeat it. That's not a euphemism, or metaphor or anything. That was the most difficult night of my life, and that includes the night I had to once accept that my "Little Sister" had died. Read whatever you want into this.