I feel like he doesn't really have a lot, but I'll try my best, just for you.

The company has defeated enemies before who Darius then went to "hand over to the authorities". But in actuality he brought them somewhere out of sight and killed them.

He's in a toxic relationship with someone who actively feeds off of people's misery. He knows it's toxic but he doesn't care.

In the Eighth Umbral Calamity timeline, Cyrus survives into old age and becomes increasingly paranoid about Darius- to the point where he orders his subordinates to find him and kill him despite Darius having been dead for 20 years at that point and Cyrus having learned of it shortly after it happened.