Harry Potter: I Have A mastery System

Professor McGonagall informed Elina that the present-day great wizard was known as a formal wizard in the mythical era, representing a true master of magic. In those times, wizards were categorized from level one to level nine, with those surpassing level nine becoming truth wizards, legendary wizards, or even demigods.

Today's junior, intermediate, senior, top, and great wizards were known as first-class wizard apprentices, second-class wizard apprentices, third-class wizard apprentices, quasi-witches, and formal wizards, respectively, in the mythical era.

Elena takes Carlos very seriously because his system offers the potential for her to become a legendary wizard, a demigod, or even a deity in this world.

Carlos, if aware of Elena's aspirations, would likely agree but doubt that a low-level magical world could produce a demigod based on his proficiency system. He believes that upon fully mastering the world, he could at most become a level three wizard. If unable to control the world and advance to a level one official wizard, that would be his ceiling.

Currently, Carlos is at the peak of a primary level one wizard. Should he advance to an intermediate level one wizard, he would be reincarnated into a more advanced magical world by the world's rules.

Carlos suspects that without his system's power to manipulate time and space, the two new abilities granted by the system might be illusory.

Time Travel Level 0 (0/100,000): Allows the user to consume universal proficiency to travel to different time periods in the past and future or even to other worlds.

Time and Space Summoning Level 0 (0/100,000): Enables the user to summon countless beauties from various time periods and worlds using universal proficiency.

Carlos rejected these time and space abilities, preferring to save his millions of universal proficiency points. Despite this, he understands the proficiency system's nature, which allows him to travel through time and space because of his unique superpower.

The proficiency system strengthens Carlos and his women by absorbing the world's essence through magic or life abilities. Universal proficiency points acquired by nuns represent the world's essence. Plot-related characters have tens of thousands of proficiency points as they are integral to the world's development. Their qualities persist until the plot concludes, at which point their essence returns to the world.

Carlos realizes that once he absorbs most of the world's essence, its progression halts. Scientists can't deduce new formulas, species can't evolve, and previous knowledge is forgotten. Yet, Carlos remains indifferent as long as he and his harem remain unaffected.

He knows the most powerful wizard in history reached only the peak of a late level one wizard. Dumbledore had already informed him about the mythical era wizard levels. With the system's help, Carlos believes that these mythical ages represent the most advanced magical worlds. If he doesn't ruthlessly seize enough of the world's essence and control it entirely, the world might be absorbed by him and fall into ruin. However, to fully control the world, Carlos needs to break through to the pinnacle of a first-level official wizard within a century, reaching the threshold of a second-level wizard.

Carlos is frustrated by his slow progress, despite expanding his harem to 489 members within a year, aiding his dual cultivation. With their help, Carlos has advanced to an intermediate level wizard, capable of defeating most wizards below late level two. However, he struggles against formal wizards who practice curses and fate magic, which remain incomprehensible to him despite his strong foundation

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