Holding the Scorching Sun Engraving Knife, Zhou Sichen felt as though the knife resonated with him, giving him the exhilarating sensation of controlling it as easily as an arm.
At Fan Yu's workbench, Zhou Sichen took out the Holy Light Sword again, a weapon comparable to a peak Level 4 Soul Tool.
After pondering for a moment, Fan Yu took out several items and handed them to Zhou Sichen.
Fan Yu explained, "I already trust you with the inscription of the Core Array. But if you want to advance this Holy Light Sword into a Level 5 Soul Tool, adding these items should improve it considerably."
Zhou Sichen did not stand on ceremony with Fan Yu. The items he had taken out were all Rare Metals, including extremely precious Blazing Sun Essence Ore.
Zhou Sichen smiled faintly. "Thank you, Teacher Fan Yu. I'm afraid I'll have to trouble you for a while."
Not only did Fan Yu not find this troublesome, but delight appeared on his face instead. He was more than willing to witness such an unparalleled genius crafting Soul Tools.
Zhou Sichen did not waste any more words. Before leaving the Inner Court, he had already placed Big Bear in the Soul Dueling Arena. With no trivial matters weighing him down, he could fully settle his mind and focus on crafting Soul Tools.
Fan Yu's laboratory contained every piece of equipment and facility he could need, and Fan Yu had even taken the initiative to provide some precious materials.
The only thing Zhou Sichen needed to do was display his Soul Tool crafting skills to this teacher, who was likewise highly accomplished in the field of Soul Tools.
Upgrading a Soul Tool was not difficult. First, he had to dismantle the original Core Array, then use superb forging