There are a maximum of 46 Ys Origin achievements worth 1,539
332 tracked gamers have this game, 8 have completed it (2.41%)
Fight all enemies (excluding bosses) enough times to fill in all blank data entries for them in your monster journal.
Unlocked by 26 tracked gamers (8% - TSA Ratio = 3.57)
Do you have a question about this achievement? Please post it in the Ys Origin Forum