Each of the 4 characters has an special ability, you firstly need to reach level 5 to earn your first skill point at which time you can press
and use the bumpers to scroll to the skills menu and spend your skill point on the top skill.
Now you will have the ability to use your character's ability, in this case Lilith's ability is the Phasewalk which you can use with
which Phases Lilith out so she can walk behind an enemy and use the melee
to attack an unknowing enemy.
The combination of the melee hit and the shockwave should kill the early low level Skags around Arid BadlandsAll skills have a recharge time once they are used