I think the goddess didn't care if somebody has adequate Vitamin D, she just wants to gain power; sex equals power, so get an MMF going on and she gains power.
She's not constrained by human taboos, right?
Are these idiots seriously going to act like nothing happened the previous night ? And pretend they're succeeding in keeping their relationship a secret ? Does the sword's boost to their physical attributes comes with a division of their IQ by 10 ?
Also, howTF was Krusche so easy to enroll in their group ? How is such a competent fighter who can manhandle a giant polar bear barehanded not already getting courted by tens of other parties ?
Talking about polar bears. A "white grizzly", really ? Really ? Translation mishap or author's fucking with us ?