Valheim is a PC survival game with a Norse mythology theme, where you gather resources, build bases, sail ships, and fight giant bosses (like Eikthyr or Bonemass) to progress. For PC players who’ve defeated multiple bosses, what’s the hardest boss to beat, and what strategy did you use (e.g., crafting specific armor/weapons, building a arena with traps) to take them down? Additionally, the game’s world is procedurally generated, with different biomes (like meadows, black forests, and mountains) each with unique resources and dangers—what’s your favorite biome to explore, and why does it offer the best mix of challenge and reward? Finally, Valheim’s PC version supports mods that add new biomes, bosses, or quality-of-life features (like faster sailing)—have you used any mods that extended your playtime, and did they stay true to the game’s Viking survival theme?