Defeating Enemies

There are many different types of enemies in-game. To kill them optimally and quickly, you need to bring the correct units to defeat them. The first thing to do is to know how enemies work. Some are immune to a specific element, or have high resistance towards a specific element. Some enemies require you to do something different, some are shielded so you need to know which counters the shields the best, etc. Second thing to do is to learn enemy movesets, especially world bosses with their unique revival phases (Hypostases) and moveset. Learn to time your i-frames and dodges if you have survivability issues, and bring a healer/shielder as well.