Here is the full list of all 46 Divine Legacy achievements.
Read all lore books.
Talk to all NPC's.
Spend more than 10 000 gold.
Mix two items for the first time.
Posess at least one of each items in the game.
Collect all holy fragments.
Reach level 60 and spend all skill points.
Consume a sacred fruit.
Acquire a horse.
Mix coffee with something else.
Buy items from all shops.
Sleep once at each inn.
Purify all deadzones.
Use all possible buffs at once.
Die from desert heat damage.
Explore every maps in the game.
Use a HolyWater for the tenth time.
Ride the horse over fifty times.
Clear the game without using any item.
Use the Town Fountain for the first time.
Sail a boat for the first time.
Use the Town fountain for the tenth time.
Buy a Zasa Cookie
Test your skills in all combat arenas.
Clear chapter I
Clear chapter II
Clear chapter III
Clear chapter IV
Clear chapter V
Clear chapter VI
Clear chapter VII
Unlock New Nara
Clear the arena of masters with David.
Clear the arena of masters with Elyzio.
Clear the arena of masters with Valy.
Clear the arena of masters with Marth.
Clear the arena of masters with Hannah.
Clear the arena of masters with Anymaru.
Defeat Godarkhaos.
Defeat Virad Tomorson, a challenger from another world.
Defeat Anymaru with Anymaru.
Win a battle that you were not supposed to win.
Read all of Julius's extra dialogues.
Defeat John Black, a challenger from another world.
Defeat a cowboy from hell.
Be a bad neighbour.