How do you use the Bonemass power effectively during boss fights?

The Bonemass power in Valheim is one of the most versatile and powerful abilities for boss fights, offering significant damage resistance and survivability. To unlock it, you must defeat Bonemass, the third boss, in the Swamp biome. Once activated, the power reduces all physical damage taken by 50% for 5 minutes, making it invaluable for tanking heavy hits during boss encounters. To use it effectively, you need to understand its mechanics, timing, and how it complements your playstyle.\n\nFirst, ensure you have the Bonemass power equipped in your Forsaken Power slot. This can be done by interacting with the Bonemass trophy on the Sacrificial Stones at your spawn point. Once equipped, press F to activate the power. Note that it has a 20-minute cooldown, so timing is crucial. Use it at the start of a boss fight or during critical moments when you anticipate taking heavy damage, such as when a boss uses a powerful AoE attack or summons minions.\n\nFor example, during the Moder fight in the Mountains biome, Moder''s frost breath and claw attacks deal massive damage. Activating Bonemass power at the start of the fight allows you to tank these hits while focusing on dealing damage with your bow or melee weapon. Similarly, during the Yagluth fight in the Plains biome, Yagluth''s meteor showers and ground slam attacks can quickly deplete your health. Using Bonemass power during these phases ensures you can survive long enough to heal or reposition.\n\nTo maximize the effectiveness of Bonemass power, pair it with high-tier armor and healing items. For instance, wearing fully upgraded Wolf Armor or Padded Armor provides additional defense, while healing meads like Medium Healing Mead or Tasty Mead can keep your health topped up. Additionally, consider using stamina-boosting foods like Serpent Stew or Lox Meat Pie to maintain mobility and avoid attacks.\n\nOne common challenge is managing the power''s cooldown. Since it lasts only 5 minutes, you need to plan its use carefully. For longer boss fights, such as Yagluth, you may need to retreat and wait for the cooldown to reset before re-engaging. Alternatively, you can use other Forsaken Powers like Eikthyr''s stamina boost or The Elder''s woodcutting bonus to complement your strategy during the cooldown period.\n\nIn summary, the Bonemass power is a game-changer for boss fights, offering unparalleled survivability. Equip it before engaging a boss, activate it at the right moment, and pair it with strong armor and healing items. By mastering its timing and cooldown, you can turn even the toughest boss fights in your favor.\n\nPractical tips: Always carry a stack of healing meads and stamina-boosting foods. Use Bonemass power during the most dangerous phases of a boss fight, and don''t hesitate to retreat if the cooldown is active. Experiment with different Forsaken Powers to find the best combination for your playstyle.