Hi. I am probably missioning at the moment.

Stacking penalties
1st mod: 100.0% effectiveness
2nd mod: 86.9% effectiveness
3rd mod: 57.1% effectiveness
4th mod: 28.3% effectiveness
5th mod: 10.6% effectiveness
6th mod: 3.0% effectiveness

burner fits : https://forums.eveonline.com/default.aspx?g=posts&t=369477


DAMAGE TYPES INFLICTED BY DIFFERENT FACTIONS
Angel-------All types (mostly Kinetic/Explosive)
Blood-------EM and Thermal
Centii-------EM and Thermal
Coreli-------Kinetic and Thermal
Corpii-------EM and Thermal
Gist--------All types (mostly Kinetic/Explosive)
Gurista-----Kinetic and Thermal
Khanid------EM and Thermal
Mordus-----Kinetic and Thermal
Pith--------Kinetic and Thermal
Sansha-----EM and Thermal
Serpentis---Kinetic and Thermal

MAIN DAMAGE TYPES TO USE ON NPC FACTIONS
Angel-------Explosive
Blood-------EM & Thermal
Corpum-----EM & Thermal
Gist--------Explosive
Guristas----Kinetic
Mercenary---Thermal
Mordus-----Thermal & Kinetic
Sansha-----EM & Thermal
Serpentis---Thermal
Gurista-----Kinetic