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