Oh I remember the text was slight misleading/confusing because it's more a warning for next phase (timing is off).
- Make sure the other tribes don't get inside the circle while freeing your friends from being occupied by adds.
- Remember your previous instanced fights for 'which' big-hitters to take down first.
- The rest after you take down that 1 'big hitter' is just straight burn.
Really 8x is nothing if this is your first job. Use every skill you have.