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