Here is the full list of all 16 Moonlight Pulse achievements.
Defeat Siflaron.
Defeat Pipen.
Defeat Nephelie.
Defeat the koohworm controlling Silex.
Defeat Racnore.
Defeat Efbee.
Defeat Efbee while keeping every Curative Agent alive.
Heal Aorasque's lungs in under 40 seconds.
Collect all health and attack upgrades.
Collect all equippable items.
Increase Aorasque's vitality to 100%.
Beat the game with 100% completion.
Beat the game in under 70 minutes.
Enter the final battle with the AVM under 60% and win.
Ride in Aorasque's blood vessels for 4km straight without exiting.
Give Nephelie a stomach ache.