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