Z-Mix allows you to set a height beyond which the effect ceases.
It is possible to adjust the stretch of the edges, the level of detail, the blur (deadlift), the amount of detail (Roughness) and the Distortion.
You can set the general Scale of the mask, and Switch its direction.
The “Follow Z Location” button takes into account the coordinates of the world instead of those of the object, thus allowing to automatically generate terrains with different aspects depending on the altitude.