Here is the full list of all 53 Mystic Saga achievements.
Interactions with Tiger
Explored: Huntress's Lodge
Coins spent
Tea Ceremony Collection complete
Tools used
Crystals spent
Items bought
Interactions with Sage
Explored: Library
Interactions with Wolf
Interactions with Merchant
Energizers used
Chests opened
Energy spent
Locations explored in silhouettes mode
Locations explored in night mode
Rewards received
Level reached
Energy increased to
Explored: Market
Quests completed
Interactions with Stableman
Explored: Cabin
Locations explored
Locations unlocked
Explored: Smithy
Failed explorations
Amulets used
Collections completed
Interactions with Monk
Interactions with ghost
Interactions with Spider
Interactions with Ice Dragon
Interactions with Woodsman
Interactions with Crane
Interactions with Sailor
Interactions with Sea Monster
Interactions with Bandit
Interactions with Dragon
Explored: Temple
Explored: Swamp
Explored: Cavern
Explored: Snow Fortress
Explored: Underwater City
Explored: Floating Islands
Explored: Mysterious Forest
Explored: Desert
Explored: Harbor
Explored: Palace
Elemental Keys Collection complete
Emperor's Dragons Collection complete
Imperial Regalia Collection complete
Fish Market Collection complete