What the old patriarch saw made him more puzzled than comprehensive. In front of his eyes, that kid killed monsters, grabbed their cores and these cores crumbled and turned into dust.
No matter how he tried to explain this, he couldn't. William's way was simply revolutionary to him, especially when he noticed something else that shocked him.
"His spirit power is increasing?!!!" This came as the greatest shock besides what William did to his granddaughter. "How come he increases his power by just walking around, touching cores, and turning them into dust?!!!"
He couldn't pinpoint the issue here. But from what he saw, William wasn't just a simple spirit master. He used various fighting ways and tricks that even such a big shot in the spirit world didn't know about few of them.
It was obvious to such a veteran spirit master's eye; William had such vast and deep fighting experience that went beyond his age.