Swim forward, and slightly to the left interact with another palm panel to be transported back to dry land. However this won't be for long, as you follow the linear path to another palm panel you will be sent back underwater. Swim towards the opening and examine the device underneath it, as the current is currently preventing you from swimming through the hole. Hit the button on the right and as the liquid hits the golden part of the device, hit the button on the left and the liquids should meet in the middle reversing the current. Ride it and when you are able to, swim forward and up to find your next palm panel. Head forward to enter an area with a bunch of stone huts.
Head to the right and ahead you can see a mural which has two interaction points on it. Head down through the tunnel and you'll find two pillars with five sets of hand marks on them you can interact with for your journal. Return to the entrance and interact with the column to the right of the steps to have it lower. Afterwards, turn around and enter the hut beside the path going further in front of you and interact with the sink for a vision. Exit the hut and go towards the mural, taking the path going upwards and go all the way to the top. Enter the house on the right for another sink vision and interact with the column here. Head back down and along the way, enter the hut on the right for yet another sink vision. Interact with the column outside the hut as well. Head back to the entrance, but in the last hut on the right with white scratch marks outside is yet another sink vision as well as a column for us to interact with. Exit the hut and go up the nearby path and into the hut on the right for another sink vision. Interact with the pedestal that is on its own peninsula, making the two columns we investigated earlier lower.
Head back down to the entrance to the area, to the left and through the tunnel back down to the column. Interact with the pedestal which will lower the water level, revealing a palm panel you can interact with. Swim forward and to the left, where you can see a current flowing against you through a stone circle with the current changing device. Ignore it for now and swim straight down. Enter the hut nearby to find another sink vision. Afterwards, exit the hut and swim past the pillar in front of you and look left, where you should see two statues you can interact with. If you swim past the left statue, you'll see some bright orange coral to the left and swimming up to it you can find a tiara on a rock to interact with, unlocking:
Swim back to the statues and just beside them to the right if you are facing them, is a mural you can interact with. Keep swimming to the right and on the first pillar you come across under the current circle, you should find a current controlling device that you need to fix. Interact with the middle part to have it flip to the top side and as before, interact with the right side until the liquid hits the golden part. Then interact with the left one to fix it before continuing to the right and you'll find another mural you can interact with. From this mural, if you turn around and swim forward and to the left, you'll find another hut with the last sink vision for us, unlocking:
Exit the hut and head back to the current changing device we ignored before. Interact with the middle part to have it flip to the top side and as before, interact with the right side until the liquid hits the golden part, then interact with the left one. Turn around and swim up to the stonehead just in front of you and interact with the golden button on the left side of it to have an opening appear below. Now quickly swim through the current to get through the area. Swim through the tunnel until you come across another palm panel you can interact with. Keep moving forward and head to the right, interacting with the other pillar that was lowered from earlier to have the water level go down even more.
Turn around and head forward on the path through the tunnel. Keep going until you come across another palm panel. Swim down below and invert the current by interacting with the middle part to have it flip to the top side and as before, interact with the right side until the liquid hits the golden part. Then interact with the left one to swim through, unlocking:
After your fun ride, swim up and interact with the palm panel to once again be on dry land. Head forward and interact with the mural on the left, then go up the nearby stairs to find another mural at the top. Go down the stairs and head up the ladder on the other side to find a camp. Walk to the left and open the box to find Harry's fifth letter, the important symbol notes on the board and interact with the map and all of the notes on the map and on the nearby bench. Finally, interact with the Teaharoa's note on the bench beside the fireplace. Head down the ladder, and go all the way to the right to find a panel for the last puzzle of the chapter.
You will need to have all four liquids hit the centre at the same time for this panel. You need to play around with it a bit, but I hit the top button and waited about a second and a half before I hit the button on the right. About two second and a half seconds after you hit the right button, you want to hit the bottom one. Finally, after three seconds you want to hit the left button. It'll take a bit of fine tuning, but those are the benchmarks which you should look at for completing the puzzle. A boat will come to the landing, so get on it and go for a nice boat ride which will finish the chapter, unlocking:
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