"High-level Misunderstanding"
Even if the attacks were mild and weren't dangerous, what if it was just to tease the 'mouse' and warn them?
What does this mean? This means someone actually secretly discovered their existence and even pinpointed their location with such accuracy!
The enemies discovered them!
The two holy spirits didn't expect someone to discover their existence and even hit them with accuracy.
This fact instantly terrified the two holy spirits because, in their mind, whoever could discover them must be someone stronger than them.
They had heard about the exorcist profession in this world, and it was said that exorcists were all sensitive to spirits and such.
Although they were holy spirits and not dead spirits, there were still some similarities between the two.
The Holy spirits thought that there were some exorcists around and they were hired especially to deal with holy spirits like them.