Here is the full list of all 28 Ivanoile Christalixeur Corruption achievements.
Stay in game for 30 min
Stay in game for 1 hour
Stay in game for 2 hours
Start the story
During eps 1, fail the QTE with Haley
During eps 1, fail the Dodge event with Haley
During eps 1, lost the fight with the stranger
During eps 1, win the fight with the stranger with their Corruption at 100%
During eps 1, win the fight with the stranger
Complete episode 1
A choice in episode 2
During eps 2, fail the Hide event with Haley
During eps 2, Haley must go back to Ivanoile
During eps 2, fail the QTE with Ivanoile
During eps 2, fail the attack with Ivanoile
Complete episode 2
During eps 3, fail the QTE with Iliana
Complete episode 3
During eps 4, fail the Dodge event with Haley
Go back to the orphenage during eps 4
Complete episode 4
Complete eps 5 with an ending / Haley
Complete eps 5 with another ending / Ivanoile
A bonus achievement, cool?
Read the bonus story
Check up the music room