Cast a fireball spell and try to kill them

You cast a fireball spell, the sphere reaches the center of the goblin camp and explodes! The stench of burnt flesh and leather filled the air when the last echoes of your fireball rumble through the woods.

There are scattered goblin limbs smoldered among the rocks, and some of them are turned into ash. But the survivors came running from the smoke.

You tried to raise your hands for another spell, but you spent too many energies and you are too slow. You feel the sharp edge of a dagger on a leg. You fall to the ground and another goblin kicks your ribs screaming "Fire-witch. You'll pay for this!"
After that, it's all dark, the poison is too strong and you think that this is your end...

But you are wrong, they heal your wounds and stop the poison. They want you alive!
You wake up inside a dungeon, you have a heavy collar on your neck connected to a chain.

You are fucked and trained until your mind is broken, they don't want to use any **** or spells, they want you to break you only with pain and humiliation.
You crawl on all fours, a collar tight around your throat, as the goblins **** you to eat from a bowl like an animal.
One goblin pulls your hair back, forcing you to look up at him as he says "Lick it clean"
The stench hit you, he rubs his disgusting swollen cock against your lips. "Open wide, witch"

You clenched your teeth, but another goblin pinched your nose shut until you could hold your breath. The moment your lips open, he puts an open-mouth gag and you they fuck your mouth for hours. You think that you are going to throw up, but they only laugh when you **** and they see the tears in your eyes. "Swallow it all, or we'll make you lick our asses next time" one taunted, and another goblin grips the back of your head, thrusting deeper until you gag again.

And this is just the first day.
The next day, they pierce your nipples, and they continue to **** your mouth. They laugh and take turns using your mouth like a common hole. Every retch, every choked sob only seemed to amuse them more. When they finally pulled away, leaving you coughing and gasping for air, the goblins say. "Tomorrow, we won't let you spit."

When you can take them without spitting and you swallow all their cum, they continue with your ass.
They **** you to squat, one of them spreads your anus and inserts his fingers without mercy and lube. You clenched your anus, but your resistance only made him more vicious.

"Look how tight the fire-witch is!" he mocks, spitting onto you before forcing his entire hand inside in one brutal thrust. The pain is terrible, stretching, tearing, and you choked on a scream as his hand reached deep inside you. Another goblin takes off your open mouth gag, and uses your mouth again, filling your throat until you gag. They use you in turns and explain that if you stand up or close your mouth, the punishment will be worse.

The pain became unbearable, your ass is reaching your limits and you will faint, and your voice is tired from screaming and coughing.

"P... please!" you cry, your voice is broken. "I’ll do anything, anything, just stop!"

The goblins laugh. One of them takes you from your hair forcing you to raise your face, full of cum and filth. He slaps you with his cock and says "Then say it properly, bitch"

"I... I belong to you" you cry "I’ll obey. Just... no more, no more... no more please"

They finally pulled away, leaving you collapsed on the floor, trembling and violated. One of them caresses your cheek "Good bitch. Now, let’s see how well you serve when you mean it."

After months of torment, they finally grant you a test, you squat, with your eyes empty, and you open your mouth, goblins pet your hair and start to fuck your mouth. "See? Was it so hard to learn your place?" he caresses your cheek and orders you "Start to masturbate, cum for us" You immediately start to finger your pussy, it feels good, it's not pain, just pleasure, the goblins are good, you don't want more pain... The others watch, smiling, as you obey without hesitation. The worst part isn’t the humiliation, because you can't feel it... it’s the relief in your chest, the quiet voice whispering, "This is easier than the pain, the goblins are good, they will protect me if I behave like a good bitch"

You are sent to the main monster city to fulfill your duty,
You walk forward in your chains connected to a piercing on your belly button, the weight of your swollen belly dragging you down as the crowd looks at you completely nude. The goblins had made sure everyone knew that you were the one who killed fifteen of theirs, and now you are reduced to a breeding sow.

Every morning, they paraded you through the main street, your belly on display like some trophy. "See how well she repays her debt?" a goblin says. Orcs, goblins, trolls, and other creatures poke your stretched belly, laughing when the life inside you kicks under their touch.

You had lost count of how many times you'd been bred. The moment you give birth to a green baby, still slick with blood, another mate is **** upon you to impregnate you as fast as possible. Your body was no longer yours, it was something to be used until you gave birth to the fifteen replacements for the lives you'd taken.

At night, locked in your cell, you pressed your hands to the tight curve of your stomach and wondered if the child inside would have your eyes, you can't feel anything, you are completely broken.

The slavemaster's whip cracked against the bars. "Rest while you can, fire-witch, we start again until your debt with us is paid"
And you knew he was right. You would keep breeding, until the debt was paid, or until your body broke... Whichever came first.

There is a Forbidden Tale that speaks about the details of your life in Monster City and your cruel destiny, it's crude, detailed, and describes how you finally reach your lowest moment... but in any case, this is the end.

Bad ending
Pay the debt ending

Forbidden Tale extra:
If you dare, you can check for extra scenes at https://www.patreon.com/posts/diamond-endings-84574475
Check "Repopulation process"