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The Gothic Wars were a series of battles that took place over a few decades, in which the Hellenes successfully conquered the Goth peoples of the forests and plains. They also pushed back the savage Nords to the farthest reaches of the frozen north. It’s believed the Celts were completely assimilated during this period as well although rumors persist to this day about a few islands existing where they dwell, untouched by Hellen culture.
Over the next few centuries Goth culture was transformed by their Hellen rulers, so that even centuries after when Goth kings rose up to slay the Hellenes, their deities and cultural practices remained largely the same.