Since one netherite ingot is made up of four netherite scraps, and each netherite scrap comes from one ancient debris block, players must find 16 ancient debris blocks in the Nether to create one ...

Each block would smelt into 1 Netherite scrap. 4 Netherite Scraps and 4 Gold Ingots. After having it, combine them in the crafting table (the placement doesn't matter) and create 1 Netherite Ingot.