All sorts of places, NPCs, objects and the like that you have to find during any of the quests and which are not directly marked on the map, but only the area where they can be found is marked on the map to a greater or lesser extent.
Quest Objectives
Locations on Sanctuary
1
Baal Statue
This is one of the three statues you need to light up to unlock the side quest "The Way of the Three".
Complete the story then use the "cheer" emote in front of this statue. Yellow fire should then appear on the ball he holds.
2Cutthroat's Escape
You have to visit this place during the "Bound by Blood" side quest.
3Darcel
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4
Darkened Hold
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5Diablo Statue
This is one of the three statues you need to light up to unlock the side quest "The Way of the Three".
Complete the story then use the "cheer" emote in front of this statue. Red fire should then appear on its hands.
6Dying Bandit (Serpent's Left Eye)
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7Feodor
This is Krystyna's husband you have to find during the side quest "Unyielding Flesh".
8Kauller
You have to kill him during the side quest "The Beast's Challenge".
9Lyruk
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10Mephisto Statue
This is one of the three statues you need to light up to unlock the side quest "The Way of the Three".
Complete the story then use the "cheer" emote in front of this stone head. Blue fire should then appear on it.
11Monk Bozan
You need to talk to him during the quest "Menestad Coffers".
12Ritual Brazier
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13Roza
You need to talk to her to complete the "Forgive Me" side quest.
14Starting Point
You start your adventure in Diablo IV here.
15The Sealed Door
You have to find this place during the side quest "The Sealed Door".
16The Woodsman's Axe
You have to visit this place if you want to complete the side quest "The Woodsman of Nevesk".
17Timue
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18Valtha's Hut
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19Wejinhani Dispensatory
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20Windswept Cabin
You have to find this cabin during the quest "In search of Answers".