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