NPC THEY DEAL I DEAL

ANGEL Kin/Exp (Exp)
AMARR EM/Ther (Ther)
BLOOD EM/Ther (EM)
CALDARI Kin/Ther (Ther/Kin)
GALLENTE Kin/Ther (Ther)
GURISTAS Kin/Ther (Kin)
KHANID EM/Ther (Ther)
MINMATAR Ther/Exp (Ther/Exp)
MERCENARY EM/Ther/Kin (Ther)
MORDUS Kin/Ther (Kin)
SANSHA EM/Ther (EM)
SERPENTIS Kin/Ther (Ther)
DRONES All types (EM)

Stacking penalties
1 mod 100%
2 mod 86,9%
3 mod 57,1%
4 mod 28,3%
5 mod 10,6%
6 mod 3,0%

EM: Acolyte/Infiltrator/Praetor — Mjolnir — EMP, proton
THER: Hobgoblin/Hammehead/Ogre — Inferno — plasma
KIN: Hornet/Vespa/Wasp — Scourge — titanium, lead
EXP: Warrior/Valkyrie/Berserker — Nova — fusion
Uranium: all but EM