How do I build a fort that can survive a Fenring raid in the Mountains?

Building a fort that can withstand a Fenring raid in the Mountains biome of Valheim requires careful planning, strategic design, and an understanding of the game''s mechanics. Fenrings are aggressive, wolf-like creatures that spawn during nighttime in the Mountains, and they can deal significant damage to structures and players. To create a defensible fort, you need to focus on strong materials, proper layout, and defensive measures.\n\nFirst, prioritize using stone as your primary building material. Stone structures have higher durability compared to wood and can withstand attacks from Fenrings and other Mountain biome threats. To unlock stone building, you must defeat Bonemass in the Swamp biome to obtain the Wishbone, which allows you to mine stone in the Mountains. Craft a Stonecutter using 10 wood and 2 iron at a Workbench to start building stone walls, floors, and other structures.\n\nNext, design your fort with multiple layers of defense. Start by creating a raised stone platform or foundation to prevent Fenrings from easily reaching your walls. Use the Hoe tool to level the ground and create a flat area for your fort. Surround the perimeter with stone walls at least two layers thick to absorb damage. For added protection, build a moat or trench around your fort using the Pickaxe. Fenrings cannot jump or climb, so a deep trench will keep them at bay.\n\nIncorporate defensive structures like stake walls or iron gates at key entry points. Stake walls can be crafted using 4 wood each and provide a strong barrier against enemies. Place them strategically around your fort''s perimeter to funnel Fenrings into choke points where you can attack them safely. Iron gates, crafted using 4 iron bars, are ideal for main entrances as they are durable and can be opened or closed quickly.\n\nLighting is another critical factor. Fenrings are more active at night, so ensure your fort is well-lit with torches or standing braziers. This not only deters enemies but also helps you spot them from a distance. Place torches along the walls and near entry points to maintain visibility during raids.\n\nFor additional protection, consider building a watchtower or elevated platform inside your fort. This allows you to safely shoot arrows at Fenrings from above. Craft a Finewood Bow and stock up on arrows, such as Flinthead or Obsidian arrows, for ranged combat. If you have access to Draugr Fang, the poison bow, it is highly effective against Fenrings due to its high damage and poison effect.\n\nFinally, stockpile resources and prepare for emergencies. Keep a chest filled with healing meads, stamina meads, and repair materials like stone and wood. Fenring raids can be unpredictable, so having a backup plan is essential. If your fort takes significant damage, prioritize repairing walls and gates during the raid to prevent breaches.\n\nBy combining strong materials, strategic design, and defensive measures, you can create a fort that withstands Fenring raids in the Mountains. Focus on stone construction, layered defenses, and ranged combat to ensure your survival in this challenging biome.