Run straight ahead and go pass the houses - go towards the gate with runes. Capture the symbols and start searching at once. Enter one of the houses, take the stairs up, and go to the balcony. Look on the ground and you should unlock the first rune (shaped like an "R").
Jump down and proceed towards the houses. Look on the crossed trees to find and "X" rune. Go to the rune gate end enter it. After a while, you'll reach another inferno and a stone monument. Touch it and get ready for conflagration. Start running.
Run to the right, go downstairs and immediately left. Go inside and use the stairs to get higher. Go over the flames using the bridge and jump down from the balcony. Turn right and run towards the gate. This time, you will also need to face a group of enemies.
You have to fight. Try not to get bogged down. Fortunately, there will be only some weak enemies here - use fast charges and strong attacks to deal with them quickly. After the fight, run towards the gate and get to the other side. You will then have managed to escape the fire trap.