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