the Cager in this is Ghaul, obviously, but the one who "comes back up the path, reeking (of Darkness) Is Savathun.
This is, basically the only written text going over the mindset of the Gardener, we had the WInnower, and they speak as someone who feels betrayed by the Gardener changing the rules, but this paints the Gardener as burdened fool, someone swimming desperately against the grain of existence, no Godly assurance, just fear, and despair at the loss they incur by even trying.
The backstory of the setting was so good, shame about all the shit they did with the various plots and characters, its neat that Humanity is basically the very very last race chosen for the fighting against an impossible to grasp cosmic battle against the two creators of the Universe, simply because Man was spared by a trickster/liar Hive God and should have been, on the ledger already extinct, and thus a complete fluke that they exist at all and are thus un-accounted for in any sort of prophecy or "Destiny" that all the big forces know about.