He shook his head and had the Yin Soul continue attacking.
As the attack went on, one of the Yin Souls weakened, its soul body becoming ashen and insubstantial like smoke—seemingly about to disperse into nothingness. It had been scorched by Su Jie's soul.
"Hmm, the quantity is too few," he muttered. "If there were dozens or hundreds more, perhaps they could truly display their power."
Making his judgment, as a Cultivator, Su Jie's soul was unlike that of ordinary people—it was as impervious as fortified gold, certainly not something a Yin Soul or two could tear apart.
Yin Souls could be lethal to ordinary people, but achieving that effect on a Cultivator was not so simple, and one or two Yin Souls were not very effective.
"Human resources are limited, and the range of the Soul Summoning Banner is also limited. Even if placed in a hospital, the number of souls harvested each day wouldn't be substantial unless I decided to become a thug and kill people to generate souls."
