While breaching the water in dive mode, pass over land before entering the water once more.
Collected your first relic.
Unlocked your first plane.
Encountered the Sunfish.
Encountered the Flock.
Encountered the Warden.
Encountered the Serpent.
Visited your companions.
Collect 27 relics throughout the Inverse.
Unlock each world's signature airframe.
Flew into a world's sun.
Pollinated the Accordion Blooms in the Sunchamber.
Cut down a hanging garden or Windcatcher.
Encountered the Leviathan.