Here is the full list of all 19 City of the Shroud achievements.
Win one battle.
Win 50 battles.
Win 100 battles.
Finish the tutorial.
Fully equip a character with 4 Link Gems and 11 Stat Gems.
Finish Chapter 1.
You're standing up for justice! Hopefully that's it's own reward.
Excellent. Now you have cannons at your disposal.
You have chosen the priesthood! Congratulations, you're about to be poor and pious.
Order must be maintained. Seriously. There are literal monsters pouring into the streets.
Welcome to the Syndicate! Riches and off-beat humor will be yours!
Use a Link Gem.
Use two Link Gems in a single combo.
Use three Link Gems in a single combo.
Use four Link Gems in a single combo.
Use an ultimate-level Link Gem move.
Overcome your first real test.
Come back alive.
Complete "Assault on the Shroud."