Through the Ice

The thick wall of ice seems indestructible, but a vague silhouette can be seen inside of it, a silhouette that resembles... a Tep's siege Mechanoid! Someone must have created this wall deliberately to block the way... To where? The passage seems to go up, so the purpose of the excavation must be hidden inside of the mountain! But how do we get inside...

Tungars? Shamans blowing horns? A worm that eats mechanoids and fights demons? What demons are you talking about and, for Astral's sake, what is that Ice Wall?
Calm down and tell me everything.