So I thought it was about time I started to reveal what's waiting in this labyrinth that the Temple seem so eager to protect at all costs.
What has captured their imagination? What worms it's way into their heads as they sleep?
Subtle tendrils have been extending into the underhive. Something waits in the crypts and lost catacombs, slowly exerting an influence, alien and deadly, bending human will to its own. Lone travellers go missing. Sensitive denizens of the upper hive feel a tugging at their psych and slowly go insane.
And all the while the Temple worships and gathers and helps it to .... feed.
... And yet bigger things wait patiently ....