Here is the full list of all 30 Potionomics achievements.
Beat the game
Beat Robin
Max the relationship with 10 characters in one playthrough
Max the relationship with 7 characters in one playthrough
Max the relationship with 3 characters in one playthrough
Max a relationship with a character
Make all level 6 tier potions
Complete Maven's Tower Adventure Area
Beat Anubia
Fully Upgrade Store
you date a character romantically
Make a level 6 tier potion
Beat Boss Finn
you reject a character romantically
Fully upgrade any Cauldron or Shelf
Expand 100 Ingredients in one playthrough
Craft 300 Potions
Beat Corsac
Expand 60 Ingredients in one playthrough
Stress Fail with Sylvia
Give Luna a bug
Collect a medium size amount of money (2500 in Wallet)
Expand 30 Ingredients in one playthrough
Craft 100 Potions
Beat an opponent having a potion that triggered the failsafe
Have 0 money in the bank
Collect a large size amount of money (10000 in Wallet)
Beat Roxanne
Collect a small amount of money (500 in Wallet)
Obtained by clearing the first narrative beat in the game