1 - Pulse Strike
4 - Parting Gift
7 - Jumper or Spatial Echo
10 - Pulse Rounds
13 - Ricochet
16 - Sleight of Hand
20 - Get Stuffed
Basics - always be shooting, back off when reloading until you get Sleight of Hand
Basic Rotation: Blink > Melee
Learn to use the juke, only recall when it is to your advantage or when you want to remove debuffs.
When possible target heroes, not NPCs. Be ready to blink when fighting against any character with a pull or movement ability. Once you get good at it you'll really make them mad.
You'll learn to love people who run away from Trace