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
Defeat Grant
20 km
Defeat Lemures
1000 Gold
50 saves
1 hour
5 saves
100 Gold