Here is the full list of all 12 INVICTA: The Next Queen achievements.
Defeat L'Home del Sac
Kill 30 enemies.
Complete the game without dying.
Defeat Midas
Complete the elevator sequence.
Defeat the Rat King.
Max out your potions.
Unlock every bonfire.
Die five or more times in the tutorial level.
Get chased by ten or more enemies.
Kill ten or more enemies from a stealth bush.
Completely upgrade Moma's armor.