"This snapshot is experimental, and everything is subject to change," Mojang says. Unlike the usual Minecraft snapshot releases, this experimental snapshot will require you to manually download a game version from Mojang's site. Minecraft version 1.18 doesn't have a final release date yet, but Mojang is letting players take a look at the new world generation in an extremely experimental build. They are set off by sounds and vibrations and will emit a Redstone signal when triggered. Skulk Block/Sensor: These are found deep underground in the Warden's terrain.You'll want to avoid them as they deal tons of damage and have a high health pool. Warden: These terrifying new mobs live deep underground and respond to movement and vibrations.
The PluderPixel’s Shaders mod 1.12.2/1.11.2 is a light Shader pack designed for realism and provides many Shader features that will make your Minecraft a little more realistic. If any lights in the cave start going dim, you might want to make a hasty retreat as that's a sign that the scary new Warden mob is nearby. PlunderPixel’s Shaders for Minecraft 1.12.2/1.11.2/1.10.2.
Dripstone Cave: The second biome is less colourful than Lush Caves and adds stalagmites and stalactites instead of being completely composed of Minecraft's usual blocks.
You'll be able to find the Lush Caves by looking for the Azalea Trees that grow above them in the overworld.
Lush Caves: This biome adds lots of colour to underground areas and are full of green-covered blocks and glow berries.There aren't many details about the specifics of the update, though we do know that the new biomes will be implemented when it arrives. There's no date set for Part 2 of the Caves & Cliffs update, though it's expected to arrive later in 2021. (Image credit: Mojang) Minecraft 1.18: What we expect in Caves & Cliffs Part 2