Level 1 = Anomaly Class (easiest)
Level 2 = Hidden + Anomaly Class
Level 3 = Forsaken + Anomaly Class
Level 4 = Forlorn + Anomaly Class (hardest)
Class 1 = Hideaway(easiest)
Class 2 = Burrow
Class 3 = Refuge
Class 4 = Den
Class 5 = Yard
Class 6 = Rally Point
Class 7 = Port
Class 8 = Hub
Class 9 = Haven
Class 10 = Sanctum(Hardest)
Enemies ----- Hardener to use --- Damage type to use

Blood Raider -- EM/Thermal -------------- EM
Guristas ------ Kinetic/Thermal ----------- Kinetic
Sanshas ------ EM/Thermal -------------- EM
Serpentis ----- Thermal/Kinetic ----------- Kinetic
Angel. -------- All Resis (pri. Expl. ,Kin.) - Explosive
Mordus -------- Kinetic/Thermal ----------- Kinetic
Rogue Drones - All Resis (pri. Expl. kin) --- EM
Mercenary ----- All Resis (pri. EM, Therm) -- Thermal