Grace took a little bit of time to analyse all the options. Then she used her brokenly powerful spell partially to borrow the intuition of a demi god.
By this literally godly intuition, she tried to investigate if keeping this egg and the being inside it was good or bad for her and her friends. And the result that she got was extremely positive.
Even though fooling the lie detection divine spell was not hard, fooling this intuition based godly spell was extremely tough. Even for an A rank powerhouse, doing so would not be easy.
That was why, Grace had a lot of believe in this spell. And with it showing her a positive outcome, she was able to get rid of the last of her worries.
...
After making her decision, she immediately told that to all the ladies and the eagerly waiting egg. Hearing that Grace wanted to not destroy this being, none of the ladies gave any objection and accepted this decision completely.
