How to Craft and Use Crimson and Warped Wood Sets
Basic Wood Blocks
Find Crimson Stem and Warped Stem in the Nether. Craft Crimson Planks from Crimson Stem and Warped Planks from Warped Stem. From planks, craft Crimson Slab, Crimson Stairs, Crimson Fence, and Crimson Trapdoor. The same recipes exist for Warped: Warped Fence and other variants are craftable from Warped Planks. Crimson Hyphae and Warped Hyphae are obtained by combining the respective stem with its bark. Stripped Crimson Stem, Stripped Warped Stem, Stripped Crimson Hyphae, and Stripped Warped Hyphae are made by using an axe on the corresponding block.
Fungus and Nylium
Crimson Fungus and Warped Fungus can be placed on Crimson Nylium and Warped Nylium respectively. Crimson Roots, Warped Roots, Nether Sprout, Twisting Vines, and Shroomlight are decorative plants found in the Nether. Crimson Nylium and Warped Nylium are obtained by using bone meal on Netherrack in the respective biome. Use Crimson Fungus on a stick to craft Warped Fungus on a Stick, which can be used to control a strider.