-Easiest to Hardest Site-
Burrow > Hideaway > Refuge > Rally Point > Den > Yard > Port > Hub > Haven > Sanctum

Enemies ----- Hardener to use -------- Damage type to use
Blood Raider --- EM/Thermal --------------- EM
Guristas ------- Kinetic/Thermal ------------ Kinetic
Sanshas ------- EM/Thermal --------------- EM
Serpentis ------ Thermal/Kinetic ------------ Kinetic
Angel. --------- All Resist (Explo/Kin) ------ Explosive
Mordus -------- Kinetic/Thermal ------------ Kinetic
Rogue Drones -- All Resist (Explo/Kin) ------ EM
Mercenary ----- All Resist (EM, Therm) ----- Thermal
The Seven ----- All Resist ---------------- Thermal

Standing to use agents:
Lv2 = 1.0
Lv3 = 3.0
Lv4 = 5.0
Lv5 = 7.0

This wormhole has not yet begun its natural cycle of decay and should last at least another day (More than 24 hours remaining)
This wormhole is beginning to decay, and probably won't last another day (Less than 24 hours left, more than 4 hours left)
This wormhole is reaching the end of its natural lifetime (Less than 4 hours left,