Thief（シーフ）攻略Wiki

This chapter contains 4 collectibles and 60 loot items:
1 - Serendi Stone Circles - Amethyst Circle
2 - Client Loot - Jewelled Mask
3 - The Mortal Coils - Sootback Bracelet
4 - Unique Loot - Lyegrove's Jewelled Mask

It is also advised that you grab all loot in chapter 1 in order to get the "Obsessive Compulsive" achievement/trophy.
The loot items will also get you a lot of gold which will help buy items for future missions. See a video for chapter 1 including collectibles & loot here:

This chapter contains a total of 5 collectibles and 72 loot items:

1 - Memories of the Dead: Charity's Memory
2 - Flowers Eternal: Daisy Brooch
3 - Unique Loot: Soul of Automaton
4 - Serendi Stone Circles: Diamond Circle
5 - Client Loot: Cornelius' Ring

This chapter contains 5 collectibles and 57 loot items:

1 - The Pinned Castinets: Jeweling
2 - Serendi Stone Circles: Emerald Circle
3 - Unique Loot: Ancient Figurine
4 - Memories of the Dead: Stonemason's Memory
5 - Client Loot: Ritual Book

This chapter contains a total of 6 collectibles and 39 loot:

1 - Serendi Stone Circles: Lapis Lazuli Circle
2 - Unique Loot: Morendrum Medals
3 - The Court of Montonessi: The Abundance of Emptiness
4 - Memories of the Dead: Soldier's Memory
5 - City Heritage Plaques: The Keep
6 - The Moreal Coils: Shale Snake Bracelet

This chapter contains a total of 6 collectibles and 106 loot:

1 - City Heritage Plaques: Moira Asylum
2 - The Court of Montonessi: The Repulsion of Civility
3 - Flowers Eternal: Rose Brooch
4 - Serendi Stone Circles: Ivory Circle
5 - Unique Loot: Mechanical Eye
6 - Memories of the Dead: Child's Memory

This chapter contains 6 collectibles and 90 loot items.

1 - The Pinned Castinets: Greater Ruststain
2 - The City Heritage Plaques: Elias Northcrest Statue
3 - Serendi Stone Circles: Sapphire Circle
4 - Unique Loot: Heart of the Lion
5 - The Court of Montonessi: The Married Spinster
6 - Memories of the Dead: Braggart's Memory

This chapter contains 4 collectibles and 88 loot items.

1 - Unique Loot: City Artifact
2 - The Moral Coils: Bronzehead Bracelet
3 - Memories of the Dead: Eleder's Memory
4 - Serendi Stone Circles: Amber Circle

This chapter contains 2 collectibles and 88 loot items.

1 - The Pinned Castiners: Mourning Bell
2 - The Court of Montonessi: Compassion, Foul