Here is the full list of all 53 Mystic Saga achievements.
Interactions with ghost
Collections completed
Explored: Swamp
Interactions with Monk
Explored: Temple
Amulets used
Interactions with Tiger
Explored: Huntress's Lodge
Coins spent
Tea Ceremony Collection complete
Interactions with Wolf
Interactions with Sage
Explored: Library
Interactions with Merchant
Energy spent
Locations explored in night mode
Locations explored in silhouettes mode
Crystals spent
Energizers used
Items bought
Failed explorations
Chests opened
Explored: Smithy
Rewards received
Interactions with Stableman
Level reached
Energy increased to
Explored: Market
Quests completed
Locations explored
Explored: Cabin
Tools used
Locations unlocked
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: 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