Three more days passed, and Ivan used his third portion of Magic Stone Water. His mental power increased to 3.0 graduated degrees, reaching the limit of a 1st Class apprentice.
"As expected, there's also an invisible barrier between 1st Class and 2nd Class. It acts as a checkpoint between levels, stronger than the resistance from the previous one," he remarked.
Based on the information imparted by his mentor, the first two checkpoints were minor ones and relatively easy to break through. In contrast, the one between 2nd and 3rd Class was significantly harder, though he didn't need to concern himself with that yet.
He recalled the related information, and *plans formed in his mind.*
Meditation runes and mental power complemented each other. Higher mental power made runes easier to outline, and the reverse held true as well. Without a certain level of mental power, no matter how familiar one might be with meditation runes, it would be impossible to outline them all at once.