Outcast - Second Contact

The leader of Motazzar will tell you to destory a machine(Rift Bridge) north of the village through a narrow path, blow it up and return to the leader who will tell you the engineer who built it is angry and he is by his windwill which is northeast of where the leader is standing. The engineer will tell you to find his apprentice to get a part to fix the machine you destroyed, head to the portal in the middle of Motazzar and he will be standing beside it. The apprentice will send you on a quest to follow the sparkly clothes path and kill some gamor to retrive the part, head back to the appretice and then the engineer. Get the key from the soldiers in the barracks after watching the cutscene. Next you have to protect the engineer from soldiers for a few minutes and afterwards you be will allowed to cross. You have to cross a bridge which you are given a map for, and then dodge bolders, jump over lava, jump over more lava, and finally put the key into the lock right next to the cells.