As a secondary character, you are accepting that you may be needed in short bursts. With such a large cast of secondary characters, there may be bursts where you are important to the releases and needed frequently, as well as bursts where you are not needed for an extended period of time.

(Personality Source: https://youshouyan.miraheze.org/wiki/Jinjiao_%26_Yinjiao)

Silver Horn, on the other hand, is more considerate, more diligent and more frugal with the seeds and acorn supply the two have. He has a hot temper likely as a result of being the more-responsible of the duo, and can often get angry at his older brother for slacking.

Since their banishment into the mortal world, both are scared of the new world around them, especially due to their small and fragile current forms.