Here is the full list of all 32 Aegis Defenders trophies - there are 16 bronze, 9 silver, 6 gold and 1 platinum.
Platinum Trophy
Collect All Relics
Complete the Game without Dying
Complete Chapter 6
Beat the Game on Hard
Beat the Game on Insane
Buy All Items
Complete Chapter 5
Found Kobo and the Clarent
Rescued Shreya
Complete Chapter 4
Unlock Zula
Defeat the MadXArmor
Complete Chapter 3
Obtained the Blood of a God
Defeat the Breath Dragon
Buy 15 Items
Earn 50 RP from Dialog Choices
Complete Chapter 2
Unlock Kaiim
Defeat the Zanoh
Kill 300 Enemies
Collect 15 Relics
Complete an Entire Area without Dying
Complete Chapter 1
Kill 200 Enemies
Discovered Aegis
Collect 5 Relics
Kill 100 Enemies
Buy 5 Items
Unlock Bart
Unlock Clu