Here's how to unlock the Underroot Dungeon in Diablo 4 and get Aspect of the Expectant.
How to conquer the Scosglen Strongholds in Diablo 4
Diablo 4 Scosglen All Side Dungeon Locations
Diablo 4 Underroot Dungeon Location, Boss, Rewards, More - GINX TV
Diablo 4 Dungeons
Page 863 – PC Invasion
Diablo 4 Underroot: Location, How to clear, rewards, and more
Diablo 4 Underroot: Location, How to clear, rewards, and more
Underroot Diablo 4 Dungeon Walkthrough
Diablo 4: Where to find all Legendary Aspects - Dexerto
Page 271 – PC Invasion
Page 863 – PC Invasion
Underroot Diablo 4 Location: Scosglen
Diablo 4 Underroot Dungeon Guide - Wowhead
Diablo 4 - All Side Quests Found In Dungeons - GameSpot
Underroot Diablo 4 Dungeon Guide - D4