Minecraft wiki entry for Nether_survival, associated text: Blocks: Blackstone, Crying Obsidian, Gravel, Obsidian, Soul Sand
Materials: Ender pearls , Leather, Iron nuggets, Nether bricks (individual bricks), Nether quartz, String and Water bottles
Other useful items: Fire charges, potions of fire resistance (regular or splash), spectral arrows (regular arrows in Bedrock Edition), and boots or books with Soul Speed.