[LV1][LV2] When this spirit or your Birthgem Deity family Spirits leaves the field due to opposing effects, by adding 1 core from the void to this spirit, it remains on the field in exhausted condition.
Q1. What is considered [leaving the field due to opposing effects]?
A1. It is when the targeted spirit is destroyed or depleted due to opponent's effect and placed to the trash, and when targeted spirit is returned to your hand or deck