The Sage's Buried Secret

The Sage's Buried Secret part 1
The Sage's Buried Secret part 2

Follow James Kidd through the underground labyrinth. He gets to a bridge that collapses so go to the left wall and climb along it to cross the gap. From here hop onto the counterweight stone and ride it down to open the door. Keep following James further into the cavern until you reach an open hole use a leap of faith to get to the water below and then press the circle/B button to begin underwater swimming Press and hold the R1/RB button to swim faster while using the Left Analog stick to move forward. Rotate the camera to guide Edward as he swims while pushing the Left Analog Stick up. Reach the first air pocket to grab some air so that you don't die because of drowning and then follow Kidd and swim to the next area. When you are back on land approach the temple and climb it to the top At the top is another color-based mechanism puzzle. This time use the two counterweights to pick up the stones and drop them on their respective colors (blue dragon head on the blue floor, read dragon head on the red floor, and green dragon head on the green floor.) Use the lever in the middle of the circle to spin it around to line everything up. Solve the puzzle to complete the mission