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