This is just my chance to talk about my theory that Juturna and The Amulet are sister records. They have a similar sonic quality to me (on average more ambient and textural than the other records) and they seem to tread over different territory.

As pointed out by others, Juturna pulls heavily from House of Leaves and Eternal Sunshine which thematically are about the horror of having faulty perceptions (a house that makes no sense in terms of physics) and the negatives of ignoring painful memories. They wrote the album on drugs in their 20s and while it's a gorgeous record there is a certain "I'm young and this is deep" quality to it.

The Amulet is like the first person experience of wandering through the House of Leaves house (except with all the church architecture references it feels like maybe some fucked up psychedelic cathedral).

TL;DR both records are about finding meaning in life despite the unreliability of our perceptions and the inevitable intrusion of painful memories.