*** DAMAGE TYPES NEEDED ***
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Blood - EM & Thermal
Sansha - EM & Thermal
Angel - Explosive
Mercenary - Thermal
Corpum - EM & Thermal

*** DAMAGE TYPES USED ***
Guristas - Kinetic / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - Thermal / EM
Sansha's Nation - EM

Difficulty and Classification of Combat site anomalies!
1/10 * (Faction) Burrow / Drone Collection (lowest)
2/10 * (Faction) Hideaway / Drone Cluster
3/10 * (Faction) Refuge / Drone Gathering
4/10 * (Faction) Den / Drone Gathering
5/10 * (Faction) Yard / Drone Surveillance
6/10 * (Faction) Rally Point / Drone Menagerie
7/10 * (Faction) Port / Drone Herd
8/10 * (Faction) Hub / Drone Squad
9/10 * (Faction) Haven / Drone Patrol
10/10 * (Faction) Sanctum / Drone Horde (hardest)

http://image.ibb.co/e0Azcm/Eve1.png