There is so many things half of crystal players don't understand:

- How Overtime works
- How Checkpoints work
- What target to focus and what not to focus
- How marks 1 & 2 work
- When to use CC on a target
- Waiting for the team instead of running 1vs5 when you have a crystal point advantage
- When to disengage to refill your heals
- When to help your teammates so they can disengage
- When to follow your team into the fight
- When not to stand in the crystal
- When not to attack the Samurai or Dark Knight
- How to check for teammate ults so you can combo them

the list is endless