- To to enter the snow tower, you need the key in the hideout.
- If you have the key, you can step onto the blue colored platform in the tower.
- To deactivate the lines you have to destroy the crystal barriers.
(These are labeled with: "Red, Blue and Green Barrier")
- for the White Echo you have to destroy the White Barrier.
- To destroy the White Barrier you have to either destroy all other barriers and collect 10 spirits or destroy no at all barriers, but no lines gets deactivated.