Damage Types Dealt By NPC:
(in order of most to least)
Angels - Exp/Kin/Em/Therm
Blood Raiders - Em/Therm
Drones - Kin/Exp/Therm/Em
Guristas - Kin/Therm/Exp/Em
Mercenaries - Therm/Exp/Kin/Em
Minmitar - Exp/Em/Kin/Therm
Mordus - Kin/Therm
Sanshas - Em/Therm
The Seven - Exp/Kin/Therm/Em
The Seven LV4 - Therm/Kin/Exp/Em
Thukker - Exp/Therm

Damage Types To Deal By NPC:
(in order of most to least effective)
Angels - Exp/Kin/Therm/Em
Blood Raiders - Em/Therm/Kin/Exp
Drones - Em/Therm/Kin/Exp
Guristas - Kin/Therm/Exp/Em
Mercenaries - Therm/Exp/Kin/Em
Minmitar - Therm/Exp/Kin/Em
Mordus - Kin/Therm/Exp/Em
Sanshas - Em/Therm/Kin/Exp
The Seven - Exp/Therm/Em/Kin
Thukker - Therm/Em/Exp/Kin