Ranger Epic Quest Faction - Highkeep Guards

[Iksar_with_a_plan]

Couple days ago I slaughtered some highkeep guards for a level or two. It was decent exp and i'd like to continue killing them when I log on next time. I know i've butchered my freeport faction. Do I need FP faction for the Epic quest? I checked the epic quest WIKI and it mentions that to start the quest I may need to turn in muffins in freeport to prompt a response from the questgiver... Does that mean he is on FP Faction? Do I need not worry