Spec for 100 Mobility and Recovery, Discipline as well if you can. Dodge after a Rat King kill to start HP regen and trigger invisibility. Pair this with a Wave-Frame GL if you own one. If you don't like Rat King, use Trespasser instead. While x4 Surge is up, Trespasser can one-burst opponents while its Exotic perk is up.
These build settings contain: