Here is the full list of all 19 Fantasy Versus achievements.
Reached the Rank "Signifer".
Clear all levels.
Reached the Rank "Miles".
Reached the Rank "Hastatus".
Unlock all characters, equipments and items.
Reach the maximum level with all units.
Participate in 20 Versus Battles.
Win 20 Versus Battles.
Defeat a total of 100 units in Versus Battles.
Die a total of 100 times in Versus Battles.
Earn a total of 20000 honer points in Versus Battles.
Defeat a total of 3 Units in a single Versus Battle.
Survive a Versus Battle without dying.
Reached the Rank "Decurion".
Reached the Rank "Optio".
Reached the Rank "Centurion".
Reached the Rank "Legatus".
Reached the Rank "Dux".
Reached the Rank "Magister Militum".