Here is the full list of all 23 Cast of the Seven Godsends - Redux trophies - there are 8 bronze, 7 silver, 7 gold and 1 platinum.
Unlock all other trophies
Reach level 7
Get the black armor
Finish the game with the earth armor
Finish the game with the fire armor
Finish the game at Retrogamer difficult level
Kill Numanir the priest
Kill Lord Adomon
Kill Antirad once for all
Kill the fifth level boss
Kill the fourth level boss
Use every weapon in a round
Kill the third level boss
Kill the third mid level boss
Kill the second level boss
Get the lightning armor
Get the plagues armor
Get the wind armor
Get the fire armor
Get the ice armor
Kill the first level boss
Kill the mage once for all
Get the earth armor