20170503: The Warlock Order Hall

Warlock Order Hall: Dreadscar Rift

Location:
Planet: Azeroth
Continent: Broken Isles
Region: hard to tell, but seems to be above the Broken Isles...somewhere
Where: Dreadscar Rift
Specifically: the whole nightmare location is devoted to warlocks and their fel servants
Faction: Council of the Black Harvest

Your title in the order hall: Netherlord (one word)

What one does there:
Get quests
Set missions
--as in Warlords of Draenor, the Legion missions are done by named NPCs.
--examples:,
--also available: nameless followers (fel servants of one sort or another)
Upgrade permanent followers from mission rewards
Do order research: most of this is done at the 110 level
Edit the artifact weapon at the weapon forge.  This is the only place for warlocks to update traits.
Train temporary troops; here called 'ghouls'
Engrave weapons with enchantments
As one accomplishes more, be able to change the weapon's appearance with the artifact forge

How to get there:
In the new (Legion expansion) Dalaran, there is a portal to DR in the Underbelly near the entrance next to the Kirin Tor tower.

Return from Dreadscar Rift:
There is a portal in Dreadscar Rift to the new Dalaran.

Artifact weapons: warlocks can only update their artifact weapons in Dreadscar Rift

Destruction (DPS):
--Scepter of Sargeras, staff
--relic slots: Fel, Fire, (initially locked) Fel

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Notes from early on with the warlock:

My level 98 Destruction Warlock, Chronoslock, on 20170503 attained the

1. new Dalaran hearthstone
2. armor upgrades: 560 average to 587 average
3. from Stormwind Vanguard Staff (staff, level 685; replaced 536)
4. from Accolade of House Wrynne (trinket, level 685; replaced 565)
5. from Signet of Stormwind (ring, level 640; replaced 515)
6. an invitation from the faction 'Council of the Black Harvest.'
7. There was a summoning; the demon showed, then the demon imprisoned my warlock and 3 others.
8. One obtains 'A Tome of Blighted Instruments' then tries to escape.
9. I got the book, got away from the demons, but hearthing back to Dalaran did not constitute escape.  Crap.
10. Start over.
11. Did the same stuff, only more efficiently.  Worked this time.  Go figure.
12. A portal to the warlock meeting place seems to be the Ring underneath Dalaran in what was called the Underbelly.
13. Got the quest to get the  Destruction artifact weapon.
14. Finished the quest, got the weapon
15. Got the invite to the order hall
16. Got my character installed as leader (Netherlord)
17. Got my artifact weapon properly initialized at the artifact forge.