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