Are you finding yourself staring down a timed challenge in Genshin Impact, with the dreaded 'Defeat 3 opponent(s) within 300 second(s)' ticking away? You're not alone! These speed-focused battles can be a real test of your team building and combat skills. But don't worry, I've picked up some tricks that have helped me turn those 'Opponents Defeated: 0/3' into glorious 'Challenge Completed' victories, and I'm excited to share them with you. First off, team composition is key. For timed challenges, you generally want a strong main DPS, a sub-DPS or elemental enabler, and a support character (like a shielder or healer) who can also contribute to elemental reactions. Elemental resonance, like Pyro or Cryo, can also give you that extra damage boost you need. For example, having two Pyro characters gives you a 25% ATK bonus, which is fantastic for quickly taking down enemies. Next, focus on elemental reactions. Swirl (Anemo + any element), Vaporize (Pyro + Hydro), Melt (Pyro + Cryo), and Electro-Charged (Electro + Hydro) are your best friends for dealing burst damage. If you have to defeat multiple opponents, an Anemo character like Kazuha, Venti, or Sucrose can be invaluable for grouping them up, making it easier to hit all of them with area-of-effect (AoE) attacks and rapidly deplete their HP bars. This strategy is especially effective when you need to clear out multiple waves of enemies within a strict time limit. Prioritize your targets. Sometimes, there's a particular enemy that buffs others or is just generally annoying. Taking them out first can make the rest of the fight much smoother. Also, don't forget to use your Elemental Bursts (ultimates) strategically. Save them for when enemies are grouped or when you need a massive burst of damage to finish off tougher foes before the timer runs out. Energy management is crucial; make sure your team can generate enough energy to keep those powerful bursts coming. Finally, don't underestimate the power of food and potions! Before you start the challenge, eat a dish that boosts ATK, CRIT Rate, or CRIT DMG. Potions that increase elemental damage (e.g., Pyro Potion for Pyro damage) can also give you that critical edge. These temporary buffs can significantly impact your damage output and help you defeat opponents faster, ensuring you complete the challenge within the given time. Practice makes perfect, so keep trying different team compositions and strategies until you find what works best for you!