The Nightfallen Guide (Patreon)

The Nightfallen:

Located in Suramar this factions Reputation can be obtained in multiple ways.

Step 1: Neutral - Honored

Complete the Initial Storyline(Questline) in this factions zone.

You are able to start this by going to Broken Isle Dalaran and Accepting the Quest, Khadgar's Discovery

Khadgar - Dalaran

/way 28.8 48.6

Note: You need to be in Dalaran to use this waypoint

This will start the questchain you need to do for Suramar.

Step 2: Honored - Exalted

To become Exalted you will need to be Completing Emissary Caches.

These are completed generally by Completing 4 World Quests in that faction Zones.

Upon Completion you will recive 1500 Reputation With the The Nightfallen

However, this only Applies if you complete the Caché for the The Nightfallen.

You are also able to gain Daily Reputation with World Quests. 

For This Faction you will find that most if not all World Quests in Suramar will award Reputation for this facion and resets Daily.

Note: Completing Raid Quests can be completed in LFR in Dalran and will give a good chunk of Reputation (best do this at Revered).