Minecraft 1.5.2 Xray Instant

Surprisingly, yes. There is a dedicated community of "legacy players" who still fire up the old 1.5.2 launcher.

: A vanilla exploit where pushing a transparent block (like Glowstone or TNT) into a player's head space forced the engine to render the surrounding cave systems while treating solid stone as invisible. Why 1.5.2 Was the "X-Ray Peak" minecraft 1.5.2 xray

If you're playing 1.5.2 for nostalgia or mod compatibility, consider instead using: Surprisingly, yes