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