Here is the full list of all 9 Phantom Thief Sylphy 2 - there are The Collector achievements.
Get the good end.
Get the bad end.
complete a scenario by failing.
complete any scenario.
Complete the game without being robbed.
Finish a dance without missing a beat.
get 100% corruption before finishing a scenario.
Earn your freedom from the club.
Explore the entirety of the goblin cave