Here is the full list of all 51 Persona 4: Arena trophies - there are 42 bronze, 5 silver, 3 gold and 1 platinum.
You have mastered P4A.
You completed Score Attack Mode with all characters.
You have completed all the Challenges! Funky Student would be proud.
You completed Score Attack Mode with one character.
You completed Stage 6 in Score Attack.
You have reached Level 30 by playing online matches!
Mystery Food X is yours!
You have completed all of one character's Challenges!
You completed Arcade Mode with all characters.
You used every character's Instant Kill move in Arcade Mode or online!
You have used all the characters in Arcade Mode or Online. Variety is good for you!
You performed 20 One More Bursts in Arcade Mode or online.
You performed 100 All-Out Attacks in Arcade Mode or online.
You have completed 300 Challenges.
You have seen all the Story endings.
Mitsuru's Story chapter has been told.
Teddie's Story chapter has been told.
Kanji's Story chapter has been told.
Chie's Story chapter has been told.
Yukiko's Story chapter has been told.
Naoto's Story chapter has been told.
Yosuke's Story chapter has been told.
Elizabeth's Story chapter has been told.
Akihiko's Story chapter has been told.
Aigis' Story chapter has been told.
You watched a Replay in the Theater. Are you as good as you remember?
You suffered a Persona Break in Arcade Mode or online. It happens to everybody...
You have completed 100 online matches, win or lose. No bear puns here. Congrats.
Yu's Story chapter has been told.
Labrys' Story chapter has been told.
You have completed 150 Challenges.
You performed 30 Fatal Counters in Arcade Mode or online.
You won 30 Rounds in Arcade Mode or Online by using SP Skills or Awakened SP Skills.
You've battled against every character in online matches. You're a grizzly'd warrior now!
You defeated an opponent in Arcade Mode or online before he Awakened! Now, that's a real challenge!
You have reached Grade C in Ranked Matches.
You had a perfect victory in Arcade Mode or online.
You performed 100 Auto Combos in Arcade Mode or online.
You spent 30 minutes in Training in one sitting. Now take it to the streets!
You performed 50 Instant Blocks in Arcade Mode or online.
You created 10 Persona Breaks in Arcade Mode or online.
You were afflicted with every ailment in Arcade Mode or online. Not even Mr. Edogawa can help you.
You performed 100 Furious Actions in Arcade Mode or online.
You completed Arcade Mode with one character.
You finished an All-Out Attack with a Fatal Counter in Arcade Mode or online.
You've aced all the tests.
You've earned your first online victory! You've bear-ly scratched the surface.
You lost in Arcade Mode or online before you Awakened... That's sad. Here's a consolation prize.
Have you burned your dread? Or reached out to the truth?
You've created a Title for your online matches.
Tuned In