History WMG / Serina

!! Serina was seeded by the spacefaring descendants of the Gravediggers via time travel.
As in the above WMG, the gravediggers achieve an industrial revolution. As they heat Serina with greenhouse gases, the ice-caps shrink, and life begins to reclaim the moon. During this time, Gravedigger technology continues to advance to an astonishing degree, as they achieve powered flight, and space travel. As they began to explore space, they also experimented with quantum physics and wormholes, eventually developing a form of time travel. One one of their first such expeditions, they chose a selection of sample species from another planet and, traveling back in time, placed them on a seemingly uninhabited alien world. One of those species was the common canary. The world they seeded was none other than Serina itself.
* Jossed. A chain of events led to a coal-seam fire being lit and [[https://sites.google.com/site/worldofserina/the-ultimocene-250-million-years/at-the-terminus the evacuation of the Sea Stewards to a replacement world with no memory of the events and a more amenable climate.]] Serina lost the Ocean Age sapients before they could discover industrial metallurgy, and the author's not gonna revisit them in the main timeline, if at all.

** Semi-confirmed: two of its descendants ''do'' become some of the last sophonts, but they’re joined by a descendant of the kelpie (a carnivorous thorngrazer), as well as the whisperwings, who are chatterraven descendants. They also show up 295 MPE, before the cooling gets that severe.

** The snowscrounger will become Serina's last sophont.

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* For the sophonts, the babbling jays would be the least altered (now just regular canaries instead of seabirds that regressed into canaries). Woodcrafters would not exist, but some sort of serilope might take their place. Ditto for gravediggers, perhaps a role taken by a tribbethere if anything. Daydreamers would be porporantsor non-existant at all.

!!The snowscrounger will become Serina's last sophont.
It's better adapted to survive the bitter cold, and it is smart and resourceful enough to thrive, perhaps increased pressures for intelligence drive it into sapience: but by then, it is too late to build a civilization and the sapient snowscrounger will only face an existentially dreadful fate.
** Jossed. The last sophont on Serina is the reaper, a descendant of the aukvulture.

** Jossed. The last sophont on Serina is the reaper, a descendant of the aukvulture.[[spoiler: Or is it?]]

** Jossed. The last sophont on Serina is the reaper, a descendant of the aukvulture.

We know nothing about the beings who created Fellstar and its fellow robot probe, but it would seem odd indeed for the Sea Stewards to have been teleported to another world, only for Serina to be visited thousands of years later by a clearly artificial probe. Now, the Sea Stewards are explicitly stated to have no memory of their former existence on Serina, but that doesn't stop them, once they develop space travel, from potentially sending probes to it once they re-discover it.

!!Multiple civilisations and/or sapient species were wiped out by the Creator for damaging Serina's ecosystem too badly

!!The snowscrounger will become Serina's last sophont.
It's better adapted to survive the bitter cold, and it is smart and resourceful enough to thrive, perhaps increased pressures for intelligence drive it into sapience: but by then, it is too late to build a civilization and the sapient snowscrounger will only face an existentially dreadful fate.

!!The forthcoming sapient teased at the end of [[https://www.reddit.com/r/SpeculativeEvolution/comments/nw37u3/sorry_there_wont_be_a_sapient_tribbat_in_serina/ this post]] will be a reworking of the [[TheWormThatWalks shoggoth]] in which the entire ant colony HiveMind forms one intelligent being.

* Jossed: The "third sapient" is the Daydreamers.

!!The Woodcrafters and Gravediggers won't go extinct due to the ice age this time around.
Rather this time, their civilization will become more advanced thanks to their alliance with things like the discovery of fire to keep themselves warm, the discovery and use of metal and the Woodcrafters using combustible tree sap as a fuel source. Their technological capacity will increase by necessity thanks to the worsening ice age and they'll get to the point where they develop space flight and are forced to leave the moon in search of a new home. However, we won't see what becomes of them after that since the project is about the titular moon so we'll watch the rest of Serina's habitable stage play out.
* Semi-jossed as the Woodcrafters were too specialized to survive once the forests they depended on started to dwindle. It's still possible for the Gravediggers, however.

!!The "wings of the creator" were the fork-tailed babbling jays.
Obviously the alliance has no means of actually ''knowing'' this, but they would stumble upon some relic of babbling jay civilization, and realize there were flying sophonts now extinct-- thus meaning that the prophecy may have been true but now can never be fulfilled.
** Alternatively, it could be their descendants: the bluetails. One individual already became sapient, so they could also domesticate themselves after first contact like the daydreamers.
** Jossed, as Brighteye, a single sophont bluetail and thus descendent of the babbling jays, fulfills the prophecy.

!!Sea Steward society will collapse upon Serina's thaw
The civilization and ecosystem the sea stewards have constructed is based around cold, shallow, highly productive ocean waters with the ice caps ever present. Even more so, as ecosystem engineers they made themselves keystone species. The global warming that is coming is implied to melt the ice rapidly and radically change the mostly domesticated ecosystem. The kelp forests dependent on optimal ocean conditions will be disrupted faster than they can move, affecting bloats and greenskeepers. Without the bloats, daydreamers and gravediggers also lose their main source of food but can transition to other food sources, but the main threat is the shoggoths, who without their regular deliveries, terminate the contract and begin eating everything in sight. While the three sophont species may survive, civilization as they know it will not.
** Jossed. The sea stewards straight up vanish, transported to a copy of Serina where they are not doomed to extinction. The rest of their ecosystem however...

!! The wumpo hybrids will lead their species in becoming allies to the Sea Stewards.
It's mentioned that the island wumpos communicate in higher pitched noises that other animals can hear unlike the wooly wumpos who communicate almost solely in infrasonic frequencies. The wumpo hybrids possess the ability to communicate in both methods (albeit with speech impediments when using the wooly communication method), it will also be revealed that in addition to inheriting the sapience of their wooly heritage they also inherent the greater innovation and lack of fear from their island parent, making them functionally similar to a widemind. These individuals will make contact with the sea dwelling society and serve as mediators between them and the family.
** Jossed. The wumpos burn to death in the fire and any surviving trunkos will never get to interact with the sea stewards, at least in this project.