Prince of Persia: The Forgotten Sands Walkthrough 15 - The Terrace

Use Flight to get to the group of enemies and defeat them. Wallrun and press the switch to get to the further part of the terrace. Here you should jump onto the next switch and bounce off onto the pole. Hanging from it, turn towards the wall, jump, run upwards and jump again. You will get to the higher level.
Go along the wall and use the poles to get near the next group of enemies. Get to them using Flight.
Wallrun onto the switch and use Flight again while jumping off the second pole. After getting rid of the enemies, run up to the switch and immediately jump onto the pole.
Once you get to the crank, use it and you will ride down to the lower level. Wallrun all the time, activating the switches.
At the end of the climbing, jump onto the switch, bounce off onto the destroyed column, from there onto another one and quickly jump on the moving mechanism with a fissure.
Eventually go up the stones and into a chamber, where you will have to fight a big group of enemies. Focus on the big ones, allowing them to hit walls while damaging the other ones and the using Power Attack on tem. This is also a good time to earn the [Trophy - Attack from all angles]. You have to knock down 15 enemies using the aerial kick - jump onto their soldiers and then press the kick button.
Jump onto the pole, activate the switch in the wall and then quickly move on right.
Bounce off the walls to activate another switch and again move quickly to the right to get onto the mechanism before it moves away. Jump onto the third switch and get to the opposite mechanism.
Press the fourth switch and immediately bounce off towards the pole coming out of the wall.
Ride down the flags - once you're at the bottom of each of them, jump towards the next one. While jumping off the last one, use Flight to get to the group of enemies.
A quite hard trap-filled room awaits you. You have to get the timing right and jump above the spikes while they're at their lowest position. A bit further you will meet a new enemy, who will be tossing exploding orbs at you.
Wallrun to the other side. Afterwards stand on the switch and freeze time. Bounce off the water cascades and get to the higher level.
Jump onto the stream, turn towards the wall, jump and bounce off onto the higher stream. Eventually you will reach a garden. You will also encounter a new type of enemy. Jump in his direction and use Flight.

Jump right and use the wall to get onto the lever.