Here is the full list of all 26 Cardinal Cross achievements.
Valery didn't survive.
Don't give up the Artifact.
Leave the True Xeronians to their fate.
Start a romance with Karel.
Flirt with every possible love interest in the same playthrough.
Let Kamali live.
Start a romance with Egon.
Persuade the Aegis soldiers to let you go.
Try to rip off Egon.