In previous expansions, entities like the Loa of Death Bwonsamdi, ex-Forsaken Queen Sylvanas Windrunner, and corrupted titan watcher Helya all have spoken of the Shadowlands, and for some, the desire to conquer it. Sylvanas' character arc throughout Battle for Azeroth ends with her seeking to control death itself, indicating that she will play a pivotal role in Shadowlands.
Claim a covenant's power: players will be called upon to forge a bond with one of four covenants that rule Shadowlands' new zones, setting the tone for their journey through the expansion with a full covenant campaign. As they level up, they'll get new abilities based on their choice, including class-specific abilities for each Covenant—as well as developing soulbinds with specific covenant members, which grant them access to that character's specific traits and bonuses.

The spell called "spiritual projection" or "astral projection" brings the caster to the Twisting Nether instead of the Shadowlands;[65] and the Twisting Nether is also referred as "realm of ghosts".[66] However, both planes don't appear to be related, as Outland is floating on the Twisting Nether,[65] but the Shadowlands can be reached in Outland in The Burning Crusade.
Sometimes, the spirits roam the Shadowlands without resting. It can be because their resting place wasn't complete, because of a battle in their resting place[14] or because of the corruption of their resting place.[8] To bring eternal peace to the souls, it is needed to destroy the source of corruption[15] or by making a ceremony with items such as  [Tuskarr Ritual Object].[16] A spirit in the Shadowlands can, with enough power over other souls, tear a hole into the living world once they are strong enough. This is how Jin'do returned to Azeroth.[17]
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