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