Here is the full list of all 37 Chained Echoes achievements.
Learn all skills with all characters.
Beat the game.
Complete the bestiary.
Buy all Deals.
Master all Sky Armor weapons with one Sky Armor.
Read all lore books.
Complete the Reward Board.
Get all ultimate weapons.
Slay the ultimate boss.
Learn all skills for Tomke.
Defeat all Unique Monsters.
Get a Reward Board chain of over 120.
Find 12 Class Emblems.
Finish all side quests.
Get a Reward Board chain of over 80.
Find the platypus gang’s treasure.
Sell 1 piece of crap.
Find the Crab Village.
Find all recruits.
Flee 42 times.
Find 6 Class Emblems.
Finish act III.
Finish act II.
Master a Sky Armor weapon.
Win 200 battles.
Get a Reward Board chain of over 40.
Finish act I.
Reclaim your Sky Armor.
Master a Class Emblem skill.
Join the Adventurer’s Guild.
Win 100 battles.
Get a Reward Board chain of over 20.
Win 50 battles.
Get a Reward Board chain of over 5.
Disturb 60 birds.
Find a Class Emblem.
Finish the prologue.