Here is the full list of all 35 Rogue Lords achievements.
Finish the book The Eye of the Wyvern
Visit 15 zones under a terror effect in one book
Put on 50 masks
Finish the book The Lantern of Charon
Finish the book The Head of the Hydra
Finish 5 turns in a row with vulnerability status
Remove 4 statuses with a skill of the White Lady
Visit 10 sacrificial altars
Finish off 20 enemies with the mirror
Complete 15 different events
Kill an adversary that has more than half of their HP SP with a single skill of Lilith
Finish the book The Claw of Geryon
Complete 12 events in one book
Inflict 200 damage in 1 turn
Play 7 skills in a single turn
Inflict 80 damage with a single skill
End a chapter having completed each type of zone at least once
Finish the book The Collar of Cerberus
Finish the book The Spinning Wheel of the Fates
Defeat Van Helsing
Defeat Van Helsing with each Disciple
Pass a social test that had 0% chance of success
Win a book without the Devil losing any health points
Recharge 10 skills in one go
Cancel 200 damage with Focalization
Go from 1 to 5 Bitterness in one turn
Maintain a ritual for 5 turns
Change the phase of the moon 6 times in a single turn
Kill 3 adversaries with a single skill of Lilith
Finish a combat having triggered and removed a Depression in each turn
Trigger 9 Depressions in 1 turn
Recharge 40 skills with Electric Reminiscence
Play a skill with the trait "Link to the Creator" then bring its cost back to 0 AP in one turn
Trigger 4 Decomposition with one skill
Inflict 150 damage with a skill that has the attribute "First Blood"