How do you upgrade the workbench to level 4?

Upgrading the workbench to level 4 in Valheim is essential for crafting advanced gear and progressing through the game. The workbench is the cornerstone of crafting, and each upgrade unlocks new recipes and improves your ability to repair and craft higher-tier items. To reach level 4, you must build and place specific upgrades around the workbench, each requiring unique materials and resources.\n\nTo begin, ensure your workbench is already at level 3. This requires placing a chopping block, tanning rack, and adze near the workbench. These upgrades are crafted using basic materials like wood, flint, and leather scraps. Once your workbench is level 3, you can focus on upgrading it to level 4 by adding a tool shelf. The tool shelf is the final upgrade needed to achieve a level 4 workbench.\n\nCrafting the tool shelf requires 4 fine wood, 4 bronze nails, and 1 obsidian. Fine wood is obtained by chopping down birch or oak trees in the Meadows or Black Forest biomes. Bronze nails are crafted at a forge using bronze, which is made by combining copper and tin at a smelter. Obsidian is found in the Mountain biome and requires an iron pickaxe to mine. Gathering these materials may take some time, especially if you haven''t explored the Mountains yet.\n\nOnce you have the required materials, craft the tool shelf at the workbench. Place it near the workbench, ensuring it is within the workbench''s radius. The tool shelf must be close enough to the workbench to register as an upgrade. If placed correctly, your workbench will immediately upgrade to level 4, unlocking new crafting recipes and improving its functionality.\n\nA common challenge players face is locating obsidian in the Mountain biome. Obsidian nodes are black and shiny, often found near rocky outcrops. However, the Mountain biome is dangerous, with freezing temperatures and hostile creatures like wolves and drakes. To survive, bring frost resistance mead, warm clothing, and a strong weapon. Additionally, ensure you have a portal nearby for quick escapes or resource transport.\n\nAnother tip is to prioritize building a forge if you haven''t already. The forge is necessary for crafting bronze nails, and it also allows you to repair tools and weapons. Set up a smelter and charcoal kiln near your base to process copper, tin, and other metals efficiently. This will save time and streamline the upgrade process.\n\nIn summary, upgrading the workbench to level 4 requires careful preparation and resource gathering. Focus on obtaining fine wood, bronze nails, and obsidian, and ensure you have the necessary tools and gear to explore the Mountain biome safely. Once the tool shelf is placed, your workbench will reach its maximum level, opening up new crafting opportunities and making your Viking adventures more manageable.\n\nPractical tips for success: Always carry a hammer and extra materials when exploring, as you may need to build a quick shelter or portal. Use carts or boats to transport heavy resources like bronze and obsidian. Finally, keep your base organized with dedicated storage for crafting materials to avoid unnecessary delays.