Here is the full list of all 20 The Swords of Ditto achievements.
Find all of Ditto's History Logs
Upgrade your bomb capacity to maximum
Defeat Mormo for the first time
Destroy all of Mormo's Anchors in a story
Complete a Dojo
Equip a limited edition Sticker
Get a limited edition Sticker from Ock
Reverse time by a day
Complete an Offering
Swap a Sticker with someone on Ditto
Open a crate
Meet Serendipity
Destroy one of Mormo's Anchors
Equip a Sticker
Find a Toy of Legend
Visit the grave of a failed Sword of Ditto
Equip 12 limited edition Stickers
Defeat Mormo with all of her Anchors active
Find all Toys of Legend
Break the Curse of Ditto