Hey there, fellow Diablo player! When facing bosses, it’s crucial to have a solid build that focuses on both damage output and survivability. Make sure to study their attack patterns and adjust your strategy accordingly. As for gear optimization, always prioritize stats that complement your build and don’t forget to socket the right gems for added bonuses. When it comes to leveling, running Rifts or Greater Rifts in groups can be very efficient, as you’ll gain experience faster and have better chances of finding loot. Remember, teamwork is key in Diablo, so don’t hesitate to join forces with other players to tackle challenges together! Good luck out there in Sanctuary!