Searched the forum for NPC Locations and thought id make a guide from it, Most of these are used for missions some for soulight ( Ill mark the SL ones)

TS:
- Taylor Gomes (TS secret HQ, PP3)
- Hontoka (IND-A 2)
- "Hoe" (in front of TS HQ, from the stairway so the guards don't shoot you), (Soulight for Proi)

FA:
- Nicolas (Tawkeen Village)
- Drakkhan Helios (OZ4)
- Drakkhan Herlios (???)

BD:
- Figaro (PP3 in front of the Crahn Church)
- Max (OZ5)
- ... (DoY8)

CS:
- Brother Gabriel (Via3)
- Brother Gabriel (DoY1) ((Soulight for Pro)
- Padre Morpheus (Crest Village)

CM:
- Gerome (G07)

TG:
- Jade (OZ4)
- Intel Officer (inside Comms towers in both I-06 and J-13, beware of guards)

CA:
- "various female employees" (behind the front desks at the JobCenter on Plaza 2) (Soulight for Anti, And the 4 gaurds infront dont shoot AT ALL)

DRE:
- ???

TT:
- Matt Tronsett (Point Red)

NEXT:
- Benji (DRT)

PP:
- Finster (Gabanium Mine)
- Dennis Karsten (PP 3)
- "PP employee" (El Farid)

BT:
- Benjamin Kaine (IND-A 2)
- "misc faction employees" (Via1) (Soulight for Anti)

And a few more Mission Kill NPC's that i saw pasted around the forums.

TS (needed for BD, PP and CS epics):
- Taylor Gomes (TS secret HQ, PP3)
- Hontoka (IND-A 2)
- "Hoe" (in front of TS HQ, from the stairway so the guards don't shoot you)

FA (needed for TT and PP epics):
- Nicolas (Tawkeen Village)
- Drakkhan Helios (OZ4)
- Drakkhan Herlios (???)

BD (needed for DRE, TS and CM epics):
- Figaro (PP3 in front of the Crahn Church)
- Max (OZ5)
- ... (DoY8)

CM (needed for TG epic):
- Gerome (G07)

TG (needed for CA, BT and CM epics):
- Jade (OZ4)
- Intel Officer (inside Comms towers in both I-06 and J-13, beware of guards)

CA (needed for TG epic):
- Blight (Secret Entrance A08)
- "various female employees" (behind the front desks at the JobCenter on Plaza 2)

Information Collected from Superborns Thread , Click

Add more plz