While Daechanar is in play, progress cannot be placed on Altar of Midwinter.

Forced: At the end of the staging step, the first player must either reveal 1 additional card from the encounter deck, or reanimate the top card of his deck.

Forced: When Sinister Dungeon is explored, the first player reanimates a random card from his hand and deals Sinister Dungeon to it facedown as a shadow card.

Shadow: Discard the top 2 cards of the encounter deck. Resolve the "when revealed" effects of each Sorcery card discarded by this effect.

Forced: At the end of the round, discard the top card of each player's deck. Each player must reanimate each ally discarded by this effect.

Travel: Deal 1 shadow card to each Undead enemy in play to travel here.

He could see nothing but the dim flame of the torches; but if the company halted, there seemed and endless whisper of voices all about him...
–The Return of the King

While Dark Halls is in the staging area, each Reanimated Dead gets +1 and +1 .

Shadow: If there is a copy of the defending character in your discard pile, reanimate it and deal it 1 shadow card.

Unholy Crypt gets +1 for each Reanimated Dead in play.

Shadow: if this attack destroys a character, reanimate that character and deal it 1 shadow card.

Progress cannot be placed on Inner Sanctum while it is in the staging area.

Travel: Discard the top 3 cards of the encounter deck. Resolve the 'when revealed' effects of each Sorcery card discarded by this effect.

While Cursed Halls is in the staging area, Sorcery attachments are immune to player card effects.

Shadow: Until the end of the phase, attacking enemy gets +1 and +1 for each Reanimated Dead engaged with you.