Sirius Black was tempted.
Besides, becoming a student alongside Harry, lurking by his side, and becoming his friend sounded like an interesting thing to do.
Thus, in the time that followed, he diligently studied Elemental Magic under Katelyle.
To help Sirius Black learn Elemental Magic faster, Katelyle had him drink several specially prepared potions in succession.
After that, Sirius Black seemed to have been given a cheat, gaining an incomparably familiar feeling toward Lightning Element energy.
If there were such a thing as compatibility, Sirius Black's compatibility with Lightning Element energy had now reached 95%.
Not only that, Sirius Black successfully became a Lightning Elemental Battle Mage at an astonishing speed.
In addition, Sirius Black had already put on a mask and transformed into the appearance of a thirteen-year-old boy.
This was also to suit his current role.
As long as he did not take off the transformation mask himself, he would maintain that appearance indefinitely.
Even bathing and eating would not affect it in the slightest.
"How does it feel, Black?" Katelyle asked with a smile as he watched Black sit across from him, wolfing down his food.
"It feels unprecedented. It's absolutely wonderful."
"I never imagined that such miraculous magic existed in this world."
"It's just that this body is a little too small. Still, when I think about being with a bunch of interesting little brats, it feels quite fun."
Black did not stop eating as he answered Katelyle's questions.
Katevis was an excellent cook, and he ate with great delight.
Especially since he had not eaten food this delicious for twelve years.
"You must abide by our agreement, Black," Katelyle reminded Sirius.
"I understand. I'll be careful," Sirius said with a nod and a smile.
While studying Elemental Magic under Katelyle, he had also been told