Here is the full list of all 47 Hyperdimension Neptunia mk2 trophies - there are 36 bronze, 7 silver, 3 gold and 1 platinum.
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Everyone reached level 99.
Fought 500 battles.
Finished the Conquest ending route.
Obtained the cursed sword of legend.
Defeated the secret boss, Delphinus.
Viewed the True ending.
View a certain CG Image.
Met with Caelus.
Saw the Lastation ending.
Saw the Leanbox ending.
Saw the Lowee ending.
Saw the human ending.
Saw the Planeptune ending.
Saw the normal ending.
Regained Planeptune after its capture.
Defeated CFW Magic.
Defeated CFW Trick.
Rom's and Ram's abilities enhanced.
Defeated CFW Brave.
Uni's abilities enhanced.
Vert joined the party.
Noire joined the party.
Blanc joined the party.
Neptune joined the party.
Defeated CFW Judge.
Nepgear's abilities enhanced.
Dealt over 100,000 damage.
Achieved an 80-hit original combo.
5pb. joined the party.
Gust joined the party.
Fought 100 battles.
Met Rom and Ram.
Nisa joined the party.
Met Uni.
Created your own combo.
Developed an item.
Performed battle for the first time in years.
Started up a new game in Gamindustri.