Here is the full list of all 12 Nihilumbra (EU) trophies - there are 7 bronze, 4 silver and 1 gold.
Escape from the Void.
Beat the Story mode.
Beat the Void mode.
Go where no one has been.
Die 10 times in a row playing Void mode.
Kill a Klimeth without shooting it.
Burn four enemies in five seconds.
Make a bullet bounce 20 times.
Resist being absorbed by a Vaccumore during 10 seconds.
Smash two Crawlaggars with a box in less than one second.
Feed a Skeltogoth with a box.
Clear level Volcano IV without killing any enemy.