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