The following is a list of all Confessions followed by when they first become available and their locations. Find all the Confessions to unlock the 'Perfect Sonnet' achievement:
AVAILABLE - LOCATION
First Available: Once you obtain the flight ability in Chapter 3 - Location: Fly above and outside the shrine of the Queen of the Night, the location of the first boss fight.
First Available: Chapter 5, after entering the Plains of Rambert - Location: Travel down to the base of the second windwheel tower and keep going left until you reach the twin doors. Pass through the doors and solve the cave puzzle that gives you access to the treasure room, the location of the confession.
First Available: When descending down the well in Chapter 4 - Location: Pass the puzzle portal in the well cave. Then fly to the right until you emerge onto the first wide open area. Fly along the ceiling until you spot a spider, which is where you’ll find the confession.
First Available: At the start of Chapter 8, after you’re freed from the cage - Location: Take the first available vertical path up. You’ll find the confession near the top of the tree.
First Available: Once you obtain the flight ability in Chapter 3 - Location: Fly toward the altar where you started the game. Continue flying left until you reach the bearded giant, the second boss. Look for the golden tree in the background. After defeating the boss, fly up and to the right.
First Available: When you travel through the windy tunnels - Location: As you fly through the windy tunnels, look for a narrow vertical wind spout--it’s a few screens to the left of the sign denoting Plains of Rambert and Capilli Village. If you’ve flown past the windy tunnels, you’ve gone too far. Once you find the vertical wind spout, let the air force you upward, where you’ll be taken out of that tunnel and toward the confession.
First Available: Chapter 5, after entering the Plains of Rambert - Location: After you pass through the first windwheel tower, look for Norah under the broken bridge (the right half of the bridge). You’ll find the confession to the left of Norah.
First Available: Once you emerge from the other end of Mahthildis Forest, transitioning from Chapter 3 to Chapter 4 - Location: Travel to the town entrance with the group of crows. Without entering the town, fly to the right, through a nearby forest path you can only access with flight. You’ll eventually reach a dead end, which is where you’ll find the confession.
First Available: Once you enter Magna to fix his ailing heart - Location: Descend down Magna’s central passage until you cannot see his heart in the background, then move to the left to get the confession.
First Available: When you and Norah reach the magic mirror - Location: Simply fly above the mirror to get the confession.
First Available: At the start of Chapter 9, after leaving the tower - Location: Simply fly right, along the top of the screen and you’ll come across the confession.
First Available: After solving the eclipse puzzle in the Palace of the Sun - Location: The area beyond the eclipse puzzle is also the setting for a reunion with Norah. After talking to Norah, fly up to find the confession.
First Available: Upon entering the Palace of the Sun - Location: As you travel left, you’ll come across a statue of an anglerfish (a fish with the lightbulb in front of it). You’ll find the confession to the left of it.
First Available: After passing through the magic mirror with Norah - Location: Fly up and slightly to the left to find the confession.
First Available: At the start of Chapter 7, after Magna has taken you to the floating temple - Location: Fly up and to the right, along the large swinging rocks. You’ll know you’re on the right path when the wind picks up. The confession is slightly obscured by the wind so keep your eyes peeled.
First Available: After the boss fight against the underwater “alien” in the Palace of the Sun - Location: This boss fight is located in between a pair of stone fish facing each other. Fly upward to find the confession.
Complete the game to unlock a NG+ playthrough where all of the Oculi, Confessions, and Items (except for Quests) that you had are carried over, as well as levels and skills for every character(once you progress far enough in the story to recruit them again). HOwever, Coffers that you obtained are reset and will need to be found again. Note that enemies have been scaled up in strength and EXP in this mode.