digitalbusker quoted The Hero of Ages by Brandon Sanderson (Mistborn Era One, #3)
To end the Final Empire and restore freedom, Vin killed the Lord Ruler. But as …
Content warning Spoilers for Mistborn: The Hero of Ages
"Fadrex has to be our next goal. We can't risk missing the cache, and the things it might contain." /Like the atium,/ Reen whispered in Vin's head as she sat back down. "Atium," she said out loud.
— The Hero of Ages by Brandon Sanderson (Mistborn Era One, #3) (Page 129)
It's genuinely distressing how effective Ruin was at manipulating Vin into looking for the atium. Risky, though. I can understand why when she eventually tried to bluff that she'd caught on long ago he couldn't dismiss it.