The late game is where your build is truly tested. Enemies are incredibly resilient and deal massive damage. Bosses will appear more frequently. Your focus should be on maximizing your primary damage source while maintaining enough survivability to withstand sustained attacks. Don't be afraid to sell weaker items to make room for powerful legendary ones. Every stat point matters, so choose your level-up upgrades carefully. Positioning and crowd control are paramount for managing the overwhelming number of enemies.
