Reform of the date of Easter was to be the Sunday after the midnight-to-midnight day at the meridian of the Church of the Holy Sepulchre in Jerusalem (35° 13′ 47.2″ E or UT + 2 20 55 for the small dome) during which the first full moon after the vernal equinox occurs. Although the instant of the full moon must occur after the instant of the vernal equinox, it may occur on the same day. If the full moon occurs on a Sunday, Easter is the following Sunday. This proposed astronomical rule was rejected by all Orthodox churches and was never considered by any Western church.
Heroes of the Equinox will confront material forces, the second monsters from the animal kingdom and on the third traps of the spirit. Laureline asks what happens after the third day, she is told that nobody knows since those who succeed never return – children in their image arrive in vessels pushed by the last wave of the equinox. Just then all four champions fly away from Simlane towards Filene. Reaching Filene, each champion chooses a different route to follow to the summit of the mountain. Valérian is challenged by rockfalls and narrow crevices, Irmgaal by stifling mists and lava flows, Ortzog by deadly