Here is the full list of all 18 Iro Hero trophies - there are 1 bronze, 7 silver, 9 gold and 1 platinum.
Unlock all other trophies
Die a total of 10 times. Must be completed in one game session.
Defeat a total of 500 enemies. Must be completed in one game session.
Destroy an Armored Ship enemy
Die for the first time
Absorb a total of 100 bullets. Must be completed in one game session.
Destroy a Gunship enemy
Use the Tesla Shock special skill
Defeat a total of 100 enemies. Must be completed in one game session.
Defeat a red enemy
Achieve a 20-hit combo
Achieve a 10-hit combo
Destroy 10 Fighter enemies. Must be completed in one game session.
Absorb a total of 10 bullets. Must be completed in one game session.
Defeat a total of 20 enemies. Must be completed in one game session.
Destroy 10 Spaceship enemies. Must be completed in one game session.
Collect a drop
Defeat a blue enemy