Chen Shi worried about the mental state of the captured spirit. It neither communicated with him nor went mad and caused trouble, it simply sat atop the altar, assisting his cultivation.
Previously captured Evil Spirits, even the Three Ghost Kings, would struggle and resist for a long time before resigning themselves to fate and obediently sitting atop the altar. Even if they were well-disciplined, they wouldn't take the initiative to help him manage his Qi.
Yet the plump baby would eat if given incense, not cry or cause trouble if not, and would even help him with Qi Refinement in its free time.
If he wanted to perform a Sacrificial Refinement, it did not resist at all.
It even helped Chen Shi constrain his Sword Qi, and with its assistance, Chen Shi felt his Sword Qi's power greatly enhanced and more smoothly controlled.
"From now on, you'll be called Little Date," Chen Shi named the plump baby.
The Date Tree Nanny did not resist, appearing to have resigned herself to fate.