Here is the full list of all 50 LOST SPHEAR trophies - there are 39 bronze, 8 silver, 2 gold and 1 platinum.
All trophies earned.
Money acquired reached 1,000,000G.
Used all paradigm drives.
Ate Fruit Jelly.
Ate Moon Tripe.
Ate 100 different foods.
Ate Clam Soup.
Defeated Dark Ruin.
Used Last Elixir.
Defeated Eclipse.
Turned into rooster.
Money spent reached 500,000G.
Total shop sales reached 100,000G.
Obtained Moon's Soul.
Defeated 300 monsters with Scan.
Sublimated spritnite to max level.
Obtained War Maiden Spritnite.
Obtained Isolation Spritnite.
Obtained Raggys' Spritnite.
Obtained Chrono Spritnite.
Obtained Tyranny Spritnite.
Obtained Sunlight Spritnite.
Obtained Rainbow Spritnite.
Landed on the moon.
Returned from the Fade Realm.
Defeated Krom.
Winger acquired.
Created spritnite 50 times.
Made 30 consecutive hits.
Royal Capital Marche restored.
Unlocked all spritnite columns.
Caused 1,000 or more damage with 1 attack.
Caused 10 sublimations.
Made 100 critical hits.
Went fishing 30 times.
Caused 500 or more damage with 1 attack.
Created 10 artifacts.
Sea restored.
Night and day restored.
Made 10 Machine Kills.
Collected from Glow Spots 100 times.
Vulcosuit acquired.
In-battle move distance reached 1000D.
Made 15 weak-spot attacks.
Ship acquired.
Made 10 evasions.
Made 10 Momentum Kills.
Activated Momentum Mode 10 times.
Damaged 3 or more monsters with 1 attack.
Activated Momentum Mode 4 times in 1 battle.