-2.0 in 1.0 systems
-2.5 in 0.9
-3.0 in 0.8
-3.5 in 0.7
-4.0 in 0.6
-4.5 in 0.5
===========
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
===========
Targeting systems:

Minmatar - Ladar
Caldari - Gravimetric
Gallente - Magnetometric
Amarr - Radar