A Gunslinger's System in a World of Magic - Chapter 7: Lucky?

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

The Great Human Civilization has crumbled apart, falling into the Abyss. A hell with no escape. To survive there, some rules must be followed blindly.1: Be wary of the dead for they don't rest even in death.2: Always be on the lookout. Danger lurks everywhere in the Abyss. Nowhere is truly safe.Lastly, if you hear something unusual like a voice that shouldn't be there, do not investigate. Just run. At least then you might get to keep your life.***Kev's adult life was suddenly upended when he was pulled into a nightmarish world along with countless other humans. To survive he had no choice but to perform a ritual he chanced upon through a series of inexplicable events. The ritual promised great power. He gave in to the temptation, performed the ritual and stepped into the realm of mysticism. At the same time, he unknowingly put himself at great risk. Since the moment he performed the ritual, He faced the risk of losing his humanity or himself entirely.He didn't know then that performing the ritual demanding a great price. By the time he realized it, it was already too late to turn back.You have performed a Great RitualGained class:- Corpse Collector in the DarkTrait unlocked: esoteric mutation of the soulGained skill: shadow manipulationAssimilation rate: 0%Collect corpses to growIncrease in assimilation rate unlocks new skillThe power comes with a great pricePay it obediently like a law abiding Abyss Dwellers or risk losing yourself to the evil brewing within...

Just something I made to keep track of some of my favourite essences & powers from fics. {with personal twists}