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