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