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