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