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