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