problem with sprites that's look like they have parallax effect

as you can see in the video, 3 out of 4 objects change their location depending on the point of viev (in game same effect) ,but purple bat does not move as it should

and i don't know what causing that problem

the only difference between the bat and other sprites is that the bat has no variable, while the others (swords) have

Watched the video five times and didn't understand a thing.

Watched the video five times and didn't understand a thing.

when i move my camera swords start changing they position ,but the purple bat does not change its position depending on the camera

p.s sorry for poor language

You can't see well on the green background.

Give me the c3p file. I can't figure it out without it. You can delete or sketch unnecessary things.