Happy (transparent) mining.
However, if you value the feeling of adventure—the thrill of hearing a lava pop behind a stone wall or stumbling into a massive ravine—skip the X-Ray. It strips the mystery out of Minecraft. x ray minecraft 1.12 2 texture pack
This article covers everything you need to know. First, let’s clarify a common misconception. A true X-Ray "mod" usually requires Forge or Fabric to inject code into the game. However, a texture pack (or resource pack) works differently. It does not alter the game’s code; it alters how the game renders existing blocks. Happy (transparent) mining
For the rest of you, follow the guide above, install OptiFine 1.12.2, download a reputable pack, and watch the underground become an open book. Happy (transparent) mining. However