Wizard: My Skills Can Be Upgraded Indefinitely

Ian transmigrates to another world and becomes a low-level wizard apprentice. With the help of a system, he can break through the limits of ordinary skills without restriction, making them far more powerful than others of the same level. [Level 0 Low-Level Wizardry - Lesser Frost Ray: Breaks the limit 3 times (2800/3200)] Breakthrough Effects: 1 Twin → 2 Freeze → 3 Extreme Cold [Star Moon High-Level Meditation: Breaks the limit 3 times (16800/25600)] Breakthrough Effects: 1 Circuit → 2 Optimization → 3 Forge [Level 1 Wizardry - Energy Field: Breaks the limit 3 times (8600/12800)] Breakthrough Effects: 1 Synchronization → 2 Siphon → 3 Dispel [Potionology - Awakening Potion: Breaks the limit 2 times (890/1600)] Breakthrough Effects: 1 Powerful → 2 Concentration] While the apprentices around him are still struggling to choose a wizardry, torn between different options... Ian silently honed those seemingly ordinary spells, pushing their limits time and again, their power growing ever stronger... while the surrounding wizards marveled at the resources...