You arent supposed to dp dverything though. Realisticly wr are in a race against time so wouldnt be suprised if some form of ingame timer is added at a later point.
Why do people keep saying this? You find out that;
Your ceremorphosis is on hold because of Netherese magic keeping it in stasis. Ethel, Omeluum and maybe Halsin IIRC tell you this.
Also urgency storyline bad.