In Charles' eyes, Little Green, this mischievous little Toxic Baneling, was the most lively and endearing of all the prospective family members.
However, as long as the word "prospective" preceded their status, he would refrain from investing too much emotion.
If Little Green did not ascend to hero status, no matter how adorable, she would remain merely a pet or a tool—both of which could be discarded as expendable assets.
Catherine understood this principle as well.
Therefore, she remained aligned with her master's stance on the matter of Zerg hero ascension. The only difference was that she had developed genuine affection for the mischievous Little Green.
In a certain sense, it was this youngest sibling who received the most parental love and attention.
However, affection does not equate to indulgence.
If it were to falter, it would still face the consequences, even death.