Class 1 = Hideaway or Drone Cluster (easiest)
Class 2 = Burrow or Drone Collection
Class 3 = Refuge or Drone Assembly
Class 4 = Den or Drone Gathering
Class 5 = Yard or Drone Surveilla
Class 6 = Rally Point or Drone Menagerie
Class 7 = Port or Drone Herd
Class 8 = Hub or Drone Squad
Class 9 = Haven or Drone Patrol
Class 10 = Sanctum or Drone Horde (hardest)
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*** Damage types to protect against ***
Guristas - Kinetic / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - Thermal / EM
Sansha's Nation - EM / Thermal
Angel Cartel - Kinetic / Explosive / Thermal
Minmatar Fleet - Thermal / Explosive
Amarr Navy - EM / Thermal
*** Damage types to shoot at the enemy ***
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Galente Navy - Explosive
Blood - EM & Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal