Here is the full list of all 37 Tree of Savior (English Ver.) achievements.
Visit the Fedimian Public House
Successfully changed character's gender for the first time
Fed the Cat in Klaipeda
Durability of the main weapon became 0
Acquired Nukella for the first time
Dismantle legend item
Destroyed equipment by enhancement
Gave Like to someone
Transcended the equipment
Added Socket to the Equipment
Repair item for the first time
Achieved Enhance Skill attribute Lv.100
Purchased item from the Mercenary Badge Shop
Ate food for the first time from the Refreshment Table
Participated at Team Battle League
Used Soul Crystal to ressurect
Tried to enhance equipment
Character became incapable of battle
Changed Class
Draw Gem
Added a Companion
Sent a friend request
Cleared Level Dungeon for the first time
Equip item in the body costume slot
Achieved first Adventure Journal point
Changed Haircut at Beauty Shop for the first time
Clear Lepidoptera Junction: Legend (Hard)
Clear White Witch's Forest: Legend (Hard)
Clear Assister Dungeon Stage 40
Obtain Vaivora weapon
Breakthrough the cage of Skiaclipse
Purchased item from the Contents Point Shop
Fail to enhance at +15 with an Anvil (Enhancing with silver, golden, ruby, and diamond anvil does not count)
Drew a Legend Assister Card
Tried Offering
Obtained Arch Stone
Sold an item at the market