Magic Systems Writing Prompts

In a world where the stronger the love, the more it triggers a pheromone that induces female breast, thigh and ass growth, and male penile and muscle growth, a flat chested girl and a shy, meek nerd are about to realize they're absolute soul mates.

You found out you can create rules that people are forced to follow, you take off on a journey to change the world to your liking, but the limits of the ability are making it harder than you thought.

Everyone wakes up with magic one day. Their superpowers depend on the job they held before.

She had no idea how popular her shape-shifting abilities were going to make her with her sorority sisters, until one of them asked the question, "Can you grow a cock?"

With his dying breath, the mage cast a curse more powerful than any he'd ever performed before. "Be. Unloved."

The curse makes her cum whenever her best friend does. In most cases this would be a minor inconvenience at worst and an erotic party trick at best, but said friend is a succubus with a sex drive to match.

The elf squirmed in the embrace of the Sorceress, who was fingering her pussy and teasing her clit with unimaginable skill. What little focus she had left was solely on not cumming until the hourglass was empty, lest the sand magically return to the top. Or she could forfeit and be her “toy”.

The magic weave is real, every human pulls from it. But the vast Ocean that is the weave is not infinite and as the human population rises the power one can pull from the weave becomes almost non existent. Earth just faced a apocalyptic event that wiped out 80% of humanity and you feel the weave

Your reality warping friend/lover likes to prank you by making bizarre changes to your daily routine but making it so you don’t notice them/see them as normal. You’re beginning to suspect they’ve made on such change today, but you can’t put your finger on it. Something just feels…off…

On his 18th birthday, the young master was cursed by a witch to have random episodes of extreme lust. His loyal maids, however, insist to stay by his side and assist any way they can. Even if that means there is a chance one of them could end up brimming with his seed.

You've been magically sucked into the new MMO you've been playing, forced to live in game as the cute girl character you created. To make things worse, a player on your server has discovered a glitch to raise his "seduction" stat way above the intended max.

Is it ethical to use magic to secretly make your boyfriends balls completely filled to the brim so he get you to have sex and blow him constantly? No. Is his cum the most delicious thing you've ever tasted? Yes.

The Queen Bee at the Mage Academy tried to Mind Control the year's biggest loser, only to have him rebound it on her. Helplessly devoted to her master but as haughty as ever, she's resolved to build him the best harem the school's ever seen!

Nutting on No Nut November has new consequences. Breaking the rules will teleport you to a succubus for the rest of the month.

You're transported to a fantasy world that contains game mechanics. Like any game, your goal is to gain XP and level up but instead of fighting monsters, you gain levels by fucking 'em. Slime-people, catgirls, incubi, angels. This would be your perverted paradise. If only you could cum.

[Halloween] [FreeUse] It's a Halloween party where the guests become FreeUse depending on what costume they are wearing.

The goddess of life gives her followers a “blessing.” Whenever they use her divine magic to heal someone, they are rewarded with a powerful orgasm. Life as a battlefield healer can get very overwhelming very quickly.

Despite not being magical, yourself, it's been revealed that your blood means your *children* will be magical. This has brought you no end of interested parties, magical, moneyed, common, and otherwise.

You learned about the ancient gods in school, and as a joke you decided to reenact one of the rituals described in your textbook. You did not expect the god to actually answer.

Most wizards try to learn as many spell as possible. You should fear those that don't need to do that.

Getting accidentally turned into a girl would have been inconvenient even if he hadn't been studying at an all boys school. Keeping his secret would have been hard even if his body wasn't so *very* feminine and if he wasn't feeling new... urges.

After promotion to the Witch class, she notices her Charisma stat has doubled, and a male guildmate's beet red face. She peers down at her chest, and sees the two sizable reasons for these events.

Being part succubus, she can feel it whenever anyone masturbates thinking of her, as if she were really there, and it feeds her. Her friends have a lot of fun "feeding" her at inappropriate times...

Fetish mages are spell casters that use a personal 'turn on' as both a way to refuel their mana and the catalyst for their spells. (For example a bondage mage, would both regain their energy fastest while bound erotically, and the be at the strongest when casting binding spells)

You have always envied your legitimate half-sibling. One day you used a spell to switch their lives for a day. After living as them for one day, you were grateful for your life and your illegitimately.

They were about to cancel the ritual due to needing "a nubile maiden for a month of unlimited access." Then she piped up: "Guys! I'm a girl. Use me!"

The terms of the pact were simple. You get the woman's body you always dreamed of. In exchange, the tentacle monster gets to fuck you once a month.

The curse makes whatever gender you're into irresistibly attracted to you. Its sounds cool on the surface but, you're pansexual, so now EVERYONE wants to fuck you.

She drew her magic from the plane of lust, which meant that the more she practiced, the lewder and more sexual her body and mind would become. Rather than take this as a warning, she considered it an incentive!

To finish your spell you need one more ingredient, liquefied lust. Which can only be extracted from a succubus or incubus type demon, that has been kept on edge without being able to cum for 24 hours or more. (The longer the better) For most this would be a hard thing to come by.