Fire Emblem: The Age of Legend
The First Generations is a broad term referring to the humans who lived in in the First Age and earlier times. It is almost invariably invoked with great respect for these stronger, better, ancestors of the comparatively weak and degenerate modern humans of the Second Age, sometimes called the Fourth Generation.
Three successive groups comprise the First Generations, each exponentially stronger, faster, tougher, wiser, cunninger, longer-lived, more attractive, and more creative than the one that followed it:
The First Generation: The First Generation refers to the very earliest humans and perhaps some of their children, grandchildren, etc. These towering figures were the first to leave the Old Place and set foot on the dangerous, untamed world of Fomorti. It is often said, though not known for certain, that Sekeriah was the very first to climb into the new world and gaze unblinking at the never-before-seen sun and that the location of the exit from the Old Place was in Feryngia.
The First Generation- though fully grown- were like infant gods, unfathomable in power and potential, but without any knowledge whatsoever. They had to develop the concept of food to avoid starving to death. But first they had to learn to breathe. And before they could even think about that they had to develop a conception of self. It is a testament to their great strength of mind and body that they not only survived coming into a dangerous world tabula rasa but managed to tame it and make it less dangerous for their successors. They raised mountains, dug rivers, eliminated threats to future humans, imagined the first gods, and developed the basics of human life so simple that only a genius could have devised them. Most of the truly legendary figures of the First Generations were from this one including Henrekta, Hreijibor, Metaxas, and (of course) Sekeriah.
The Second Generation: The Second Generation refers to the successors of the First Generation. These may have been their later descendents, or perhaps another, later wave of humans from the Old Place. Perhaps both. They were probably far more numerous than the First Generation, who must have numbered much less than a thousand survivors of their early trials. At the very least it is said that many of the First Generation took scores or hundreds of these lesser newcomers under their wings.
The Fomorti the Second Generation entered was a far less lethal but still chaotic and wild one than their predecessors had grappled with. The bulk of its monsters and very dangerous animals had been destroyed, land had been made better fit for habitation, and many of the recently created gods who threatened to be hostile to human interests had also been killed or beaten into submission, but the men and women of the First Generation roamed across it like storms, bound by no laws save their whims and the limits of their strength and rarely associated with one another for long. The great contribution of the Second Generation was thus not making the world safe for mankind, but developing civilization and culture.
If the First Generation had invented self-awareness, names, rudimentary language, the basic requirements of survival, combat, craftsmanship, intuition, and invention itself, the Second Generation developed real communication, writing, agriculture, the fundamentals of an economy, towns and cities, dedicated artisanry, formal logic and mathematics, art, and measured time. They also developed ships seaworthy enough to colonize all major landmasses, the art of which has long since been lost. As many of these momentous things were now devised cooperatively rather than through sudden individual insight and were also less dramatic, there are far fewer famous figures of the Second Generation than the First. Most are known primarily for being followers, lovers, or friends of older heroes who then went on to have lesser adventures in their own right. Most notable because they were present when Sekeriah died were Ashkantir, Grylock, and Tollidarius (Ancient).
The Third Generation: The Third Generation were the last and least of the First Generations. It is clear that they were biological descendants mainly of the Second Generation and had no direct connection to the Old Place and also that they numbered in the hundreds of thousands or even millions Fomorti-wide. In abilities they were far closer to weak, modern humans of the fourth generation than to the least of their predecessors and with their advent it became clear to all that human strength was dwindling. Previously many of the Second Generation had simply thought that the First Generation as they knew it was merely more experienced or a selection of the very best of what had once been a less impressive group, now the grim truth was revealed.
With the world already made fit for even such as them to live in it, the humans of the Third Generation had little else to do but expand slightly on past triumphs, multiply and spread, and scribble down the exploits of a magnificent, dying breed. Already there were few of the First Generation left; they had lived out their fabulously long lifespans, perished in battle with enemies too strong for them, been slain by accidents or unhappy chance, or most commonly been killed by one another. The Second Generation had spent most of its vigor already, it interbred with and was subsumed in the more numerous Third Generation. Fortunately the Third Generation, grateful to have been saved from certain destruction had Fomorti been as dangerous as the old days, invented history and religion before their predecessors all died out.
The “Mother” of History Eekanu got his title by being one of the most prominent of the first historians. Among other important feats he developed the first universally (in Feryngia at least) agreed upon date system, declaring the date he began writing to be roughly the year 1A 1032 based on what he could learn from survivors of the First Generation. All dates very far before this time are at best conjectural as people living very far back had not had any sort of universal date system, or in some cases a solid grasp of how to measure time.
Religions centered around the great heroes also sprang up in many places, often as memorials by friends or people they had personally helped that then grew into churches based around their teachings.
The end of the Third Generation was gradual, as had been their beginning, their descendents simply became weaker and weaker over time until it seemed appropriate to begin terming them the Fourth Generation. By roughly 1A 1300 there were at most a few dozen of them left, the last of the First and Second Generations were already gone, and the historians of the Fourth Generation decided that the passing of their better ancestors should mark the ending of a historical age.