Collect 100 blue crystals.
Defeat the blue dragon.
Defeat the green dragon.
Defeat La Puter.
Obtain the Sun Sigil.
Obtain the Great Tree Sigil.
Obtain the Wing Sigil.
Obtain the Eye Sigil.
Defeat the red dragon.
Defeat the Witch.
Get the airship.
Collect 100 blue crystals.
Defeat the blue dragon.
Defeat the green dragon.
Defeat La Puter.
Obtain the Sun Sigil.
Obtain the Great Tree Sigil.
Obtain the Wing Sigil.
Obtain the Eye Sigil.
Defeat the red dragon.
Defeat the Witch.
Get the airship.