QUICK ANSWER

All 30 Charms are listed below by chapter, subchapter, objective and route cue. The five Pierced Coins from Theseus' Echoes are included in the total.

Chapter 2: Felons — 2 Charms

This chapter contains 2 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
1Beads 12 – The carnival — Follow the pieces of cloth to the churchAfter Leni lockpicks a door you reach 2 pigs in a backyard. Then squeeze through a gap and immediately turn left to find a small wooden box in a building.
2Bracelet 13 – Rats in a barrel — Go help your crew at the arsenalWhen you reach the tutorial on how to pull down an archer with your grappling hook, shimmy across the gap where the archer was and immediately turn left to find this in a small box.

Chapter 3: Those before us — 4 Charms

This chapter contains 4 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
3Beads 22 – Vestiges — Reach the statueAt the start of the Sub-Chapter you’ll be on a wooden platform. Proceed until you slide down the slope into the ruins. Then drop down to the bottom floor to find this in a chest on the left.
4Arm Band 12 – Vestiges — Find a way to get above the city’s ruinsAfter you use the grappling hook to pull down a wooden barricade you reach the area with the big statue. Enter the ruins on the right and drop through the hole in the floor.
5Bracelet 22 – Vestiges — Find a way to get above the city’s ruinsFrom the previous Charm, go up the mountain on the opposite side of the area. To the left of the door is a side room with a chest. (Can grab it before or after interacting with the door).
6Seal 12 – Vestiges — Find a way to get above the city’s ruinsAfter Leni lifts up a log for you to crawl through a tunnel, when you exit the tunnel there will be a painting on the wall. Shortly after you will slide down a slope to reunite with Leni, then pull down a barricade with the grappling hook. Immediately after, take the next left to find a small chest.

Chapter 4: From Hell It rose — 2 Charms

This chapter contains 2 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
7Arm Band 22 – Down the abyss — Progress through the TrialAfter a puzzle where you rotate 3 pedestals to show the correct symbols (Y-C-↑) to open a door, you will reach an open area with a big statue. Go right, and click up the first rock on the right BEFORE dropping down the ledge. This leads to a hidden camp with a small chest.
8Trinket 14 – At the bottom — Progress through the TrialIn a room where Leni uses a lever on the other side of the room from you, there will be an enemy ambush. After defeating the enemies, squeeze through the gap into the next room and drop down. There’s a chest under the ledge where you drop down.

Chapter 5: Desolation it wrought — 5 Charms

This chapter contains 5 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
9Trinket 22 – Battle grounds — Reach the central templeDefeat the 1st group of enemies in this chapter, then take the left path and pull down the wooden barricade. Go through the ruins (stay on the lower floor, not upstairs) and you’ll reach an abandoned enemy camp in the corner of the area. Climb the rocks on the left to find this at the upper tent.
10Seal 22 – Battle grounds — Reach the central templeFrom the previous charm, proceed up into the ruins. Roughly in the middle of the ruins there’s an archer on top the pillars. Defeat the archer, go around the left corner below where the archer was to find it in the ruins.
11Bracelet 33 – The four symbols — Find the first symbolWhen you have to find the 4 symbols you can go 4 separate paths. Continue on this path until you get separated from Leni. Proceed jumping down the platforms (one has spike trap, jump over it), when you reach the bottom of the area immediately turn left to climb up a ruin that has a chest at the end of the path.
12Armband 33 – The four symbols — Find the second symbolFrom the previous Charm, continue on this path until you solved the puzzle where you jump over the platforms with spikes, then grab the symbol. After obtaining the symbol, you’ll come to a beach with enemies. Go to the right corner of the beach to find it near the water and a boat.
13Pierced Coin 13 – The four symbols — Find the second symbolFrom the room with the 4 pedestals (4 symbols), take the path with the “O with 3 lines” above the gate. Then keep following the leftmost path until you climb a ladder to the top of the area. Defeat the enemies, then interact with the Axe statue.

Chapter 6: What lies beneath — 3 Charms

This chapter contains 3 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
14Seal 34 – Minoan machinery — Find a way outAfter escaping from the monster again, you come to a room with some lanterns on the side. Destroy the boxes on the right to find the charm. It’s where the story makes you use the mirror to burn away the dust blocking the path.
15Bead 35 – The Architect — Follow Daedalus’ shortcutAfter you get a cutscene where you approach a petrified person near a cliff, go right to find this chest on the dark path.
16Pierced Coin 25 – The Architect — Follow Daedalus’ shortcutTo the left of the previous Charm, drop down the cliff. Instead, head straight and go through the door at the end. Interact with the Axe chalice.

Chapter 7: Death It sowed — 5 Charms

This chapter contains 5 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
17Bead 42 – The whole damn army — Reach the black templeAt the beach, at the shoreline where the boats are.
18Arm Band 42 – The whole damn army — Reach the black templeAfter using the grappling hook to double-swing over a gap, take the right path down to the beach. Kill the enemies at the beach to find this chest in the corner.
19Pierced Coin 33 – A stage of skulls — Open one of the doorsAfter solving a puzzle and going down a hole, slide under the gate, swing over the next 2 grappling hooks. Then jump right to find this. (To the right of a big locked green gate).
20Bracelet 43 – A stage of skulls — Open one of the doorsIn the same general area as the previous Charm. After the platforms there’s a broken staircase on the left, you find the chest there. Before squeeze through a gap.
21Trinket 35 – Its ruins — Reach the end of the trialYou will walk over what looks like an aqueduct and use a zipline. It does not matter what you choose. After that, get up the platform, go left to find it in a chest.

Chapter 9: Light will save us — 2 Charms

This chapter contains 2 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
22Seal 43 – No respite — Follow the lights to the palaceAfter escaping the monster again, you enter a cave. There will be 3 paths. Take the left path (squeeze through gap) to find this in a chest.
23Pierced Coin 46 – Echoes of the past — Explore Minos’ palaceFor story progress you will destroy a pedestal to reveal light, and shortly after, you squeeze through a gap. You will reach a balcony. Here, turn left and crawl through the wall to find the charm.

Chapter 10: Parallel paths — 3 Charms

This chapter contains 3 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
24Beads 51 – The bridge — Find a way inside the mountainIn the jungle area, it’s in the jungle to the right of the river. You’ll see it glimmering white from afar. Next to a small river that flows into the bigger river.
25Trinket 41 – The bridge — Find a way inside the mountainFrom the previous charm, othe right side of the woods area follow the cable on the ground to reach a cave with a ladder. Climb up and proceed to use the zipline. Then you enter a camp and this will be in the second tent on the right.
26Pierced Coin 53 – Daedalus’ workshop — Explore Daedalus’ workshopWhen you enter Daedalus’ workshop, go forward to the other side of the room and you’ll find a glimmering Resonance Point on the floor. Go back up and head downstairs into the tomb. This is just before interacting with a mirror for story progress.

Chapter 11: Patera — 2 Charms

This chapter contains 2 numbered Charms. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
27Arm Band 53 – Puppets — Follow the beamAt the start of the chapter you encounter the first “puppet” type enemies. You will soon see a door to your left and a mirror to your right. Go to the mirror on the right and kill both enemies, then you can find the chest near the mirror.
28Bracelet 54 – The last lens — Realign the lensAfter an enemy encounter, boost Faro up the ledge and cross to the other side of the room. In the back of the room open the chest, to the right of the elevator lever.

Chapter 12: Fading light — 1 Charm

This chapter contains 1 numbered Charm. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
29Seal 51 – The beam — Follow the beamAfter using the light to lower a bridge, defeat the next enemies past the bridge. Afterward you will soon slide down a slope. Go right to find the chest in the corner.

Chapter 13: As One — 1 Charm

This chapter contains 1 numbered Charm. Follow the rows in order so references such as “from the previous item” remain useful.

#CharmSubchapter / objectiveRoute cue
30Trinket 55 – By your side — Follow the beamAfter you go completely upstairs until you reach the big light, the chest is next to the light.

Quick player questions

Do Charms change combat?

Yes. PowerPyx describes them as permanent passive buffs.

Are the five Theseus rewards extra Charms?

They are included in the total of 30.