Damage type to protect against:
Angel - Kinetic, EM, Thermal & Explosive
Blood - EM & Thermal
Guristas - Kinetic & Thermal
Mercenary - Kinetic, EM, Thermal & Explosive
Mordus - Kinetic & Thermal
Sansha - EM & Thermal
Serpentis - Kinetic & Thermal
Republic - All

Main Damage type to shoot at the enemy:
Angel (Gist) - Nova
Blood (Corp) - Mjolnir
Guristas (Pith) - Infernal/Scourge
Mercenary -
Mordus - Thermal & Kinetic
Sansha (Centus) - Mjolnir
Serpentis (Core) - Inferno/Scourge
Republic -
Drones (Alvus) - Mjolnir

150,000,000 = 1 AU
300,000,000 = 2 AU
450,000,000 = 3 AU
600,000,000 = 4 AU
750,000,000 = 5 AU
900,000,000 = 6 AU
1,050,000,000 = 7 AU
1,200,000,000 = 8 AU
1,350,000,000 = 9 AU