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