Stacking Effectiveness:
1st mod: 100,000% effectiveness
2nd mod: 86,9119842% effectiveness
3rd mod: 57,1037996% effectiveness
4th mod: 28,2469117% effectiveness
5th mod: 10,5988834% effectiveness

** Damage types ***

Amarr Navy - EM/Thermal
Angel - All (explosive-kin)
Blood - EM/Thermal
Caldary navy - Kinetic/Thermal
Gallente - Kinetic/Thermal
Guristas - Kin/Therm
Khanid - EM/Thermal
Mercenary - EM/Thermal/Kin
Minmatar Fleet - Thermal / Explosive
Mordus - Kinetic/Thermal
Sansha - EM/Thermal
Serpentis - Kinetic/Thermal
Thukker Tribe - Thermal / Explosive

Best Damage to NPCs

Ammatar = Thermal
Angel = Explosive
Blood Raider = EM
Guristas = Kinetic
Khanid Kingdom = EM
Mercenaries = Thermal/Kinetic
Mordus = Kinetic
Republic Fleet = Thermal
Rogue Drones = EM
Sansha\xb4s = EM
Serpentis = Thermal/Kinetic
Thukker Tribe = Thermal

Agent Chigas Ovoken for exploration training missions.

Trade Hubs: Dodixie, Heks, Rens, and Jita