i was having the hardest time thinking up a character until i was looking at my bookshelf and "The Amulet of Samarkand" stood out to me which hit me with inspiration, so ill shamelessly rip off concepts from that haha

Name: Jason Thorvald - Goes by Thaum
Character Concept: Magic user specialized in summoning rituals, very little evocation/explosive magic mostly used as punishments towards his servants. The servants are functionally enslaved and most (if not all) would kill him or allow him to die given the chance. Using Infernal creatures of evil or powerful Djinn he makes ends meet as an information broker. Though he tries to fight for the greater good when its possible.

Trouble: His magic is viewed as Evil and those who hunt warlocks have tried to kill him before, most magical creatures instinctively know what he is and loathe his existence, some do act violently.

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Thaum sat in his chalk circle of the summoning ritual, connected to his circle was a much more elaborate one with several circles inside each other and interlaced with Symbols. In this case it was Infernal or Hell-Script as he was trying to summon an Imp, Specifically a basic, but clever imp named Crec. The imp was a difficult one and would interpret his orders into meaningless gibberish if given the opportunity, unfortunately the Imp was actually very good at his job. So Thaum began the 20 syllable incantation that would bring the Imp to his plane that had to be spoken clearly and precisely. Best case scenario of failure was the Demon not arriving on this plane, worst case was a horrible death. This also extended to the ritual circle, but even more so, if the circle was wrong in any way it would allow the demon free without control rather than simply not allowing it to arrive. The incantation also ensured that the demon could not directly take action to harm the summoner once the creature's task was agreed to.

Thaum was new with the rituals of summoning and spoke carefully, however he had summoned Crec several times now. After several heartbeats the area inside the summoning circle was filled with a black smoke and the room filled with hideous laughter. Crec was using old tricks to try and scare Thaum out of his own circle. The effects only lasted a moment before they died away and left a fat humanoid floating in the air with deep red skin and a few horns jutting from its skull.

"Oh, its you again." said Crec clearly not thrilled at being summoned.

"Crec! I charge you with a single task this evening" said Thaum clearly.

"Oh dear" said the Imp, feigning concern and vaugely gesturing at a section of the ritual "you mussed this line here, i suppose ill have to kill you now" 

Thaum blinked and the next words halted in his throat. "Oh do st-" he almost ordered the imp to stop speaking, which would count as a 'single task' and would allow the imp to leave, he had to give Crec credit the ruse almost got him. However the Imp was laughing and generally trying to rile him up now so the orders would be garbled somehow and open to interpretation that would be twisted so that the time and effort to summon the Imp would be wasted. 

"Your task, Crec, is to report the location of the demon Moloch to me this night." said Thaum clearly 

The Imp looked thoughtful for a moment "This is my one task and i may return to the Infernal plane only once it is complete?"

"Correct"

"The demon Moloch's location in not here" said the Imp before vanishing from sight.

"I did not ask where the demon was not, nor did i ask where you believed the demon might be, you must report his location to me." said Thaum knowing full well that the demon's answer did not satisfy the conditions of the task. "If you continue to resist me on this i will apply the frigid vice." He continued referring to a simple spell that would shrink the area in the circle with a shell of frost, particularly unpleasant to fire of infernal based creatures. Unfortunately the spell requires the ritual as a bound to work and is useless outside a summoning. Crec fades back into sight "This Moloch will find and kill you for me." says the Imp before the air made a small snap indicating that the demon had left to preform its task. Thaum's eyes went wide, he was an idiot. He hadn't said that Crec had to be stealthy or forbade the imp from speaking to Moloch. It was possible the imp would lead the demon here and report that the demon was in the building technically fulfilling his task. Crec couldn't easily be banished now as the imp had trapped him into ensuring that the only way to return was to complete the task or outright fail it. 

Thaum frantically searched his memory and tomes to find a creature powerful enough to face the Demon Moloch. It was no easy task as his understanding was too basic to conjure a mighty Fae or powerful demon, even a Djinn may not be enough. It was not long before he started to get desperate and picked a potent Fae nearly at random. After hastily, though still carefully, modifying the summoning circle and reading the long incantation from the book directly he summoned an Ogre by the Name of Ghrom to protect him and not allow him to come to harm during the night. At least he tried to, something was wrong, part of the incantation he assumed as the chalk of the summoning circle became black and began to smoke somehow burning the concrete it was on as if it where wood. The circle around Thaum stayed white and clear however and the effects stopped seconds later as the power from the failed magic spent itself. The feed back rendering Thaum unconscious for several hours.

Fate had seen to take pity on Thaum however and the Demon Moloch was actually back in the Infernal plane and the Imp Crec was incapable of finding the demon before first light. Which Thaum took as a stroke of luck and banished Crec before it had an opportunity to bring him to harm. His first attempt at using demons for more than experimental tasks had been a disaster. He had been defenseless and at the nearly at the mercy of a powerful demon only luck had saved him from a terrible death.
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