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
Minmatar. ---- All Resis --------------- Thermal (sec. Explosive)
Gallente. ----- Kinetic/Thermal (sec..EM) - Thermal
Amarr ------- EM/Thermal. ------------ Thermal
Caldari ------ Kinetic/Thermal ---------- Kinetic
The Seven --- All Resis --------------- Thermal
EoM --------- Kinetic/Thermal. --------- Kinetic

-Smallest to Largest Site-
Burrow > Hideaway > Refuge > Rally Point > Den > Yard > Port > Hub > Haven > Sanctum

-Easiest to Hardest Site-
Hidden > Forsaken > Forlorn