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