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