[Arctic Sea] - Helheim | Arctic Sea TR: U Guide
Last update: 11 May 2016
Swim near the statues and notice that their blades are blocking the big chain which is located at the bottom.
Swim in the direction of the head of the first statue on the left. Swim inside it from its back and misplace the key which is located there. Repeat the action with the other statues.
In case of the last statue in the right row, the key won't work. Swim to its basis and take two gears from the bottom. After that place them in appropriate places on the side of the statue. Go back to the head and activate the mechanism.
Go now near fortress. On the left of the main (destroyed) entrance you will find the stone of force. It lies next to the ancient devices which are similar magical generators of electricity.
Swim inside the corridor which is located in the left part of the fortress. Turn right and after that, turn left.
At the end of the corridor swim up. When you are on the top, you will find the room where abandoned stone of force lies. Take it.
Now go back to the first bend from the entrance and begin swimming to the top. You will find yourself in one of the fortress tower. Use the ledges to climb up.
Jump on the beam and from it on the ladder, which is hammered in wall. Climb up, take another stone of force and use the hole to jump to water.
Swim now at the other side of the fortress. Don't forget to insert the stone of force in the device's slot which is located on left of the destroyed entrance. After that, swim to the right tower.
Start climbing up. Walk around destroyed ladder and after that jump on the first floor of the tower.
From there climb higher by using another ladder and take the last stone of force.
Swim outside and place both remaining stones in adequate slots of the device on right side of destroyed main entrance. After that, activate switch in a similar device which is standing near the destroyed entrance.
The large gate under you is open. Swim through it and first go forward, after that go right, left, left, right, right, and left.
You will find yourself in the big room. Approach the edge of the terrace and jump on the top of the broken pillar.
From it, jump onto the next one which is protruding just above the water. Now jump on the fragment of the wall on right. Use it to go left and jump on another pillar.
Climb on its top and jump on the middle platform. From it jump on the top of the next pillar. Use it to slip down.
Jump on the column which lies on the left. Move on it for few steps and jump on the fragment of the wall, and from there onto the terrace on the opposite side of the room. Go through the door to the further part of the fortress.