Nighthold 7.1.5 Guide from a Senior Player of World of Warcraft

It is assumed that your goal is to get to a reasonable entry level for Nighthold Normal and that you have a fresh 110 character with minimal progress in World of Warcraft. Reasonable entry level here means 860+ average item level equipped (in-game recommended item level for NH Normal according to Group Finder), and Artifact Level 35 (one point into your paragon trait).

Catching up may be or maybe not depend where you left off and how long you have been away. You will focus on three things:
(1) Getting to Artifact Knowledge 25
(2) Getting 35 traits in your main spec artifact
(3) Getting geared to 860+
Will be straightforward from their progress and I assume you know what to do.

Artifact Knowledge (Goal: AK25)
For Your Main
AK0 to 14
Go to the AK work order NPC in your class hall.

Buy Artifact Research Synopsis until you reach AK15 (Cost: 500 Order Resources each, 7,500 total for AK0>15). AK15-24. Roll AK work orders (500 resources each) until you reach AK25 (~30 days with the current catch-up discount for work orders).

AK25
You are done. For now. Go to artifact level, or see For Your Alt below.
For Your Alt. If the main is at AK25. Go to the AK work order NPC in your class hall. Buy Artifact Research Compendium: Volumes I-IV (Cost: 1,000 resources). Go to Ilnea Bloodthorn in Dalaran. Buy 13x Order Resources Cache (Cost: 13x Blood of Sargeras). Mail the compendium and caches to your alt. Use compendium to boost your alt to AK20, and use resources to roll work orders to AK25 (~15 days).

More information please check:https://www.mmogah.com/news/title/nighthold-7-1-5-catching-up-guide-from-a-senior-player-of-world-of-warcraft