Here is the full list of all 19 Fantasya achievements.
gmdkdkdkdkdj first kill
First player reach level max
All players reach level max
Pandora reach level max
Hard mode 0death clear
6-4 stage 0death clear
Reach level 70 Seiya
You have exp max
Kill Anabella
You have 5000 sepith
Reach level 60 sowa
Reach level 60 Bzart
Reach level 60 Sylvia
Reach level 60 Gguii
Reach level 60 Mongii
Reach level 60 Lubia
Perform 15 or more deaths on stage
Reached 50 million accumulated Exp