there is a backstory  and lore of it all but i'll summarize

The previous ruler was a demigod given his power by the triad of elemental dragon gods, because he found their shrine after his mother died, he was given eminence elemental power, and a set of equipment from each dragon, armor of diamond armor infused with holy magic, a staff of Sapphire and emerald infused with ice and wind magic and a sword of pure ruby engraved with pure arcane symbols which turns blood to flame as it hits the blade, engulfing both the sword and the target is the hottest of flames.

Ok not summarizing i think,

He spent the rest of his life as a active and treasure loving god, the hoarding being natural to him as half dragon and intensified  by the will of the old gods he was given, so he ended up letting surrounding kingdoms pay for aid in battle  as if he was a mercenary  but the kingdoms why tried gaining favor knew that would win the war for their side, so the dracobunny  was able to hoard a massive hoard.

What he didn't know is that one of the many gifts was a slime core that looked like a sapphire bobble so paid no heed to it, over time and generations the wars raged  almost nonstop until he just gave up on all the fighting and left the mountain top castle  to find a mate. 

Many people tried to raid the now empty castle but none even survived the first sub floor not knowing underneath the castle was a labyrinth full of traps of magical origin that would take years to dispel a single trap.

Over time the kingdoms gave up on the mountain knowing they could never survive a attempt ti reach the hoard they knew was somewhere hidden. Then the dracobunny returned with a mate after just over a hundred years. He ends up losing a lot of his powers for unknown reasons as his armor was stored in his hoard cavern.

Time passes and his power was almost fully drained and decided it was time to produce a hire to his power, the draconic winged kobold Mitsu , because of the power transfer i  her creation, she was born looking like she was a fully grown kobold. Her and her father had little time together only learning the skills and magic to help her though the now closed off mountain, her mother gave her life and a small piece of the holy diamond armor to seal the mountain from anything hostile from the outside. 

The dracobunny god, after the final few years was very weak, on the brink of his life, he and his daughter did what ever they could with the magic she was thought. After trying everything including coming up with her own healing skills. Nether could find a way so Mitsu, immune to the magical traps, or maybe cause of a different  reason. 

In the treasury of the hoard she is looking though the well organized piles, some of gold, some of magically infused items and trinkets  and many piles of gems since that was his favored offering. After searching though the magical items, finding many scrolls she can learn from but not anything to help, but as she was walking back though the hoard she sense's  a powerful magical energy , looking over at her dads armor thinking that's the only thing that could or would have the level of godly power, but as she walks over she noticed that they have lost the luster, their power just 1 or 2 percent of their former ability.

So searching around the armor which was surrounded by only the purest gemstones, it feels to her that it was telling to to "embrace me", she picked it up confused to 2 reasons, its a gem with telekinesis as well as a purple gel inside of its pure  sapphire orb, quickly after touching it and holding it up, it exploded with slime encasing her completely in its thick gel like slime, even though she struggled she was unable to resist it and was absorbed into her now slimy form, using her sense of self for years.

Around 2 full generations of humans have passed since she was turned, but one day as the slime was just relaxing in the dining  hall something snapped in its consciousness. Staring down at a clear ice coffin that was the centerpiece of the long table, its contents being her still living but cryo preserved father, it was this that caused the lock on her mind letting her completely push back and suppress the slime cores sentience  regaining full control back.

She has vague memories of her time in the past 2 centuries but only involving her father since her feelings were always strongest around and caring for him, she knows that she can't break him free because in his current state he wouldn't survive  so leaves him in it but breaks the connection that was siphoning  his power at the same rate he was recovering.

As she went around the castle thinking of what to do, she makes her way to the balcony that looked over the most peaceful side of the vista, it used to be a large field with a waterfall and a single cabin at the base of it that he loved to go to since it was also under the barrier he mother erected, but looking over it now seeing a large village build completely of slime, shocked she quickly sprouts large feathery wings like she used to have and flew up high over the castle and looks around, everything around the mountain, including the warring kingdoms have integrating into the spreading slime kingdom, the flags of all 4 kingdoms now fly her fathers house insignia of the  elemental dragon triad.

Over the next few weeks she traveled from kingdom to kingdom, each of which had their own breed of slime's  which when come in contact to the slimebold queen turn to a kingdom slime, becoming one with her, every turned slime can now be controlled as if it was her, herself

After this, she had many challengers because of the time she was not in control of her body, turned out across the land a lot of the continent were not to happy with how she converted half the continent into her own domain. She took on all challengers, all of which lost and got converted into a slime of their original form to return to their masters as a warning to not return or they too will become one with the kingdom slime.