how do i apply shaders to all layers except the player?

[fading lion]

if it's possible at all since it doesn't seem like it is

[mental shale]

Use the shader trigger to do that

You can choose what layers are affected by them

[south lava]

You can't
You can have everything below the player or everything above be affected
But not at the same time

[wicked granite]

could you do 2 shader triggers?

[shell mirage]

Unfortunately not

The latest activated Shader Trigger overrides the last active one

[wicked granite]

oh, ok

does it also happen if they're stacked?

[south lava]

Shaders can't be stacked