Meanwhile, unrelated to the Acterians or their fate, wisdom blossoms on the surface of the Islands of Passion.
As moonlight filters through the boughs of the Great Trees, a silver serpent emerges from the ground. Effortlessly it snakes its way up the twisted trunks of the Trees. Ignoring the fruits of Strength and Mortality, it sets its sights on the higher branches of the Tree of Wisdom. Here the fruits grow fat and heavy, yet held tightly by the spindly branches, which refuse to release their bounty. Even the most graceful of the Reedy dare not climb so high. The serpent, though, is unperturbed. It slithers along a swaying branch, and chooses three fruits, which it sinks its fangs into. Immediately the branches recoil, as if in disgust, and the three fall to the ground, the serpent following moments later. Before they can be splattered into mulch, a brief burst of power sees them stop inches above the ground, then gently drop the short remaining distance, barely bruising their skin.
Perhaps not bruised, but neither are they unblemished. Where the serpent's fangs pierced the soft flesh, the fruit changes. The knowledge within is twisted- the harmless information grows into three revelations, causing the skin of the fruit to swell unpleasantly.
These fruits are different from their brethren, now. Where the gifts of the others passes quickly, leaving only lingering scraps of knowledge, their juices stain the mind permanently, the slightest taste leaving the information forever ingrained upon the consumer. They take on aspects of the knowledge they contain- the first starts to leak water, incomprehensible scrawlings appear on the skin of the second, and the skin of the third grows thick and segmented.
Those who consume the first shall see a vision: a lake and a desert. A snake arises, and carves channels from the lake to the desert, through which the water flows. The desert is quickly transformed into a verdant paradise.
Likewise those who consume the second shall be inspired: a snake, crawling through the mud, leaving symbols in its wake. Each time it finishes a symbol, it hisses a sound, and whenever the consumer recalls one of them, they shall also recall the sound.
The third, too, grants an epiphany: snakes, sticks and stones in their mouths, carefully arranging them before the Great Trees. Higher and higher ascends their structure, until one of the snakes easily slithers its way up the constructed ramp, casually plucking a fruit from one of the middle branches.
As dawn wakes the first of the sunless, they witness the serpent, pushing the three fruits before it. Carefully, it nudges them before the Holy Ones, then inclines its head towards the revered elders, and slithers back below the earth.
Act: 'improve' three of the fruits of knowledge, and deliver them to the Holy Ones. The first grants knowledge of irrigation, the second of writing, and the third of construction. Conspicuous serpent imagery throughout.