It didn't take too long for Noel and Anna to get accustomed to tracing their Spirit Link and utilizing it to boost their physical prowess. However, Old Ru mentioned that it was only one of the functions. There was one more hidden function that they had to discover.
It didn't take too long for them to realize it. Since the veins flowed to their limbs, it would act as a natural flow. In order words, they could use the Spiritual Energy that flowed from their Spirit Seal to their limbs to repel the enemy's attack.
These two continued to train under Old Ru at a ridiculous speed. It was already insane that they managed to become a Spirit Master within two years, but the fact that they would soon become a Spirit Grandmaster would shock the entire kingdom.
Time passed by. Without them realizing it, two and a half months ever since they arrived at this place had passed by.