Here is the full list of all 17 Fated Souls achievements.
Defeat Solifugid
Defeat Hybrid Noah
Defeat Ammit
Defeat Murmur
Defeat Chernabog
Defeat Zeke
10 hours
Defeat Azuka
5000 Gold
20 km
Defeat Grant
Defeat Lemures
50 saves
1000 Gold
1 hour
5 saves
100 Gold