Here is the full list of all 57 MY HERO ONES JUSTICE achievements.
Obtain 350 character customization items.
Complete Score Attack Mission.
Collect 100,000 hero coins.
Acquire 100 titles.
Get a perfect win 10 times in online or local matches.
Complete Map 6.
Complete Maps 1 to 6.
Complete Maps 1 to 6 with an A-Rank or above.
Complete Map 5.
Complete Map 4.
Win 50 battles using heroes.
Reach a combined character level of 100.
Complete Map 3.
Obtain 200 player customization items.
Win 50 battles using villains.
Obtain 250 character customization items.
Complete Map 2.
Reach a combined character level of 50.
Collect 50,000 hero coins.
Complete Map 1.
Complete every story chapter.
Complete every story chapter with an A-Rank or above.
Complete "All For One."
Complete "Complete Victory."
Obtain 150 character customization items.
Complete "Encounter."
Complete "A Real Hero."
Win 20 battles using villains.
View 20 characters' battle entrances.
Perform 50 Plus Ultras using villains.
Complete "One For All."
Win 20 battles using heroes.
Perform 50 Plus Ultras using heroes.
Complete "Climax."
Trigger 50 wall rushes.
Obtain 100 player customization items.
Complete "Up and Over."
Complete "Re-Ingenium."
Acquire 20 titles.
Fight 30 local matches.
Fight 10 local matches.
Perform 1,000 combos against opponents.
Use sidekicks 100 times.
Fight on 5 stages in local matches.
Use sidekicks 50 times.
Get an Ultra Finish.
Use sidekicks 10 times.
Complete "Bizarre! Gran Torino Appears."
Use Quirk Specials 100 times.
Fight 100 local matches.
Fight 5 online battles.
Fight 20 online battles.
Fight 50 online battles.
Obtain 300 player customization items.
Obtain 400 player customization items.
Obtain 450 character customization items.
Reach a combined character level of 500.