Here is the full list of all 50 Roman's Christmas achievements.
Dream every dream
Reach the final ending
Get the cards wrong, again
Get the cards right, again
Continue searching
Face Thrivey's death
Stop searching
Not a single mistake!
Face Herrin's death
Read the whole book
Reveal the truth of St.Isaac's Church
Face Vincel's death
Confront Vincel
Cheat Vincel into confessing
Become the killer
Reach 100 mistakes in total
You are Elegant now
Face Peter's death
Hear everyone out
Face Lunic's death
Face Ianis' death
Find out what Vincel doesn't eat
Rub Anzox's belly
Eavesdrop three times
Vincel got stuffed with Tsarzn's socks
Anzox got hit in the head
Have a nice dinner
Agree to write a love letter for Peter
Hit the bullseye
Miss the dart clock
Hide the truth from Herrin
Let Lunic talk about the King's feast
Face Shawn's death
Look in the mirror
Check the mugs multiple times
Check the candles multiple times
Refuse Tsarzn
Face Kane's death
Get the cards right twice
Get the cards wrong twice
Let the ladder fall
Get drunk
Find Elena guilty
Hear another story from the bard
Break Anzox's lute
Find Elena not guilty
Search for the good part
Hear a story from the bard
Mistake Elegant's gender
Welcome to the tavern