"I think it's probably because Bartus Brave's soul power was too weak,"
Marvin put away the glass bottle. He had heard the term 'soul power' more than once from the mouths of gods like Baji, and even Edward had said that soul power was the key to using magic; the stronger the soul power, the more magic power one could withstand. The so-called Saintess referred to humans with extremely strong soul power, only they could bear the pressure of a deity's divine possession.