Pray Overhaul 1.15.2/1.14.4/1.13.2 is a package of textures different from the rest, as it does not focus on offering new textures for all elements of the game. Instead, this texture pack is responsible for modifying the appearance of the game’s mineral resource blocks.
This texture package focuses on offering a three-dimensional texture to mineral resource blocks. In fact, some of these mineral resources will have an animation that will give the blocks a bright effect, creating interesting light effects inside the caves.
Although it is a texture package that offers a resolution of 16x, just like the default Minecraft textures, it will be necessary to install Optifine to be able to enjoy the light effects of the new textures of mineral resources.