| Achievement | How to unlock
|
|---|
| Dangerous Love | Kiss Sir Brash.
|
| Deception | Finish Chapter 3.
|
| Demon Speech 1 | Decipher all the messages in Chapter 1.
|
| Demon Speech 2 | Decipher the message in Chapter 2.
|
| Demon Speech 3 | Decipher all the messages in Chapter 3.
|
| Demon Speech 4 | Decipher the message in Chapter 4.
|
| Demoncat (secret) | Examine Mr. Edgardo after the dinner with Orchid. (Secret)
|
| Demonspawn Lore | Read the book about demonspawn in Chapter 1.
|
| Descension | Finish Chapter 1.
|
| Destroyer | Max out both Evil and Defiant points.
|
| Infernal Patron | Ask the demonspawn as many questions as you can.
|
| Inferno | Finish Chapter 4.
|
| Murderer | Kill Mark.
|
| Rebel | Max out both Good and Defiant points.
|
| Resourceful (secret) | (Secret)
|
| Retribution (secret) | (Secret)
|
| Reverie | Finish Chapter 2.
|
| Saint | Max out both Good and Tactful points.
|
| Science Macabre | Read all the entries of Rivera's journal.
|
| Snake | Max out both Evil and Tactful points.
|
| Soft Hearted (secret) | (Secret)
|
| Touchy Fingers (secret) | Molest the demonspawn. (Secret)
|