Netherite Blocker

This datapack completely prevents Ancient Debris (Netherite ore) from generating in newly created Nether chunks. It works by overriding the vanilla placed features that control where and how Ancient Debris spawns.

Netherite Blocker is a free Minecraft Java datapack. Compatible with Minecraft 1.21, 1.21.4. Downloaded 201 times (via Modrinth). Download it and open it directly in the game.