Well, this sounds fascinating. Let's give it a shot as a Rakshasa Mesmerist.
Race: (14 RP)
Type: Native Outsider (3 RP)
Size: Medium (0 RP)
Speed: 30 Ft (0 RP)
Ability Scores: Standard (0 RP)
Language: Xenophobic (0 RP)
Stubborn (2 RP)
Beguiling Liar (2 RP)
Focused Study (4 RP)
Change Shape, Lesser (3 RP)
Race: Rakshasa (Custom)
Alignment: Lawful Evil
Will: +3, +5 vs Charm/Compulsion Enchantments
Reactionary: +2 to Initiative
Criminal: +1 to Disable Device, is a Class Skill
1: Spell Focus: Enchantment
Skill Focus 1: Disguise
Monster Feat: Ability Focus: Painful Stare
Change Shape, Lesser
Bluff: +10, +14 to convince others they aren't lying
Disable Device: +6
Sense Motive: +4
Sleight of Hand: +5
Languages Known: Infernal, Common, Celestial, Abyssal
Mesmerist Tricks: Fearsome Guise
Painful Stare 1/1d6 self
Finesse Weapon for +1 to Hit
But he underestimated how prepared his killer was, and the determination she had to end the Raksahsan cycle of rebirth. The combination of a custom soul-rending effect on her blade and soul trapping magic meant that as Kahmunash's spirit left its lifeless mortal body, it did so as a shattered, hollow shell of its previous self. Kahmunash spent over a century as a spirit, furious that his tattered soul was unable to properly resurrect itself inside a newborn as the result of this for so long. He was only finally able to do so via a haphazard and heavily diminished process, one that to his dismay left him considerably weaker than any of his previous resurrections.
His "Parents" quickly discovered his true nature due to his inability to properly control his shape-changing abilities, and he spent his formative years fleeing from the law in what he soon discovered was a far more righteous and just land than he was used to. Paladins and Holy Knights seemed to spill out of the woodwork to break up his fledgling endeavors, and kept him cold, hungry, and on the run for almost two decades as rumors of the "Crocodile Child" quickly began spreading throughout the Church of Mitra. Much to his dismay, he gradually learned that the easiest way to survive this horrid imposition was to squelch his usual grandiosity and and hedonistic nature and rely on subtlety and misdirection. If he couldn't warp the minds of the sheep around him into servitude, he would have to make do with lies and aliases that could only get him little more than food scraps and loose change. Overtime Kahmunash built up an intense hatred for this "Talingarde" place, and the indignities forced upon a being of his majesty. We would see this nation either burned to the ground, or enslaved under him like the Goshta they were.
As he grew older, he found himself gradually regaining use of some of his rightful fiendish powers, and unfortunately this started to make him reckless. Charming a trader out of most of his goods was one thing, but his pent-up resentment led him towards more and more brazen attempts to seek revenge on those who "wronged" him in one way or another. Trying to force the local mayor to lie down in an oven and cook himself to death in front of the whole town was a step too far, and Kahmunash was swiftly captured and thrown into this hell-hole of a prison. But this is not the end. This country has not yet suffered for its crimes.
All subject to some minor changes depending on what the rest of the party can do. Let me know if there's a problem with any of this.