Ossofolio

The Ossofolian Empire was birthed circa –3,325, when Nidelheim, an Eldritch Giant, cemented leadership of his tribe, and made a series of pacts with various other Giant tribes in the area- primarily Hill Giants and Stone Giants- one after another, subsuming each individual tribe into his own. By –3,325 arrived, Nidelheim was firmly in control of all of the Giant tribes within the Giantsbluff Mountains, which formed the Ossofolio- ‘Mighty Stone’ in the Giant language.
Thought the use of magic, Nidelheim both stayed in control of the Giant nation, and lived an extended lifespan as well. For the next five hundred years, the Eldritch Giant would control the empire that he formed. Human tribes and settlements within the region were enslaved and forced to serve their Giant overlords.
By –3,001, the Giant empire of Ossofolio was no more. Nidelheim died, and the Giants in the Giantsbluff Mountains reverted to their former ways, the careful alliances that the Eldritch Giant forged over the preceding three centuries dissolved, leading to infighting, petty rivalries, and outright hostility that tore the empire apart. Scholars are unsure as to why exactly this happened, why Nidelheim died. Most believe that a close advisor or friend betrayed him, and slew him in a moment when his guard was down. Others have an alternative theory, however.
According to legend, in the year –3,023, a small boy was born to a Human slave by the name of Tinto. As a youth, he served the Giants of Nidelheim like all other slaves. As a young man, in the year –3,004, it is said that Tinto escaped captivity and fled southeast, guided by dreams to an area on the banks of the Bay of Salt, which today sits the Shrine of the Golden Blade. There, for the next year, Tinto would forge a magical sword dedicated to freeing his people from the Giants.
In –3,001, Tinto returned to Ossofolio, and with his mighty weapon, slew Nidelheim in an epic battle. As the Giants began in fighting amongst themselves, the various Human groups who were enslaved fled the mountains and freed themselves from their captors. Tinto himself, nor his magical golden blade, were never seen from, or heard from, again, but cemented their legacy into the people of the north.