The Eternal Light of the Northern Oasis

Long, long ago, in a land swept by the icy breezes of the North, there existed the fabled city of Atriest, known as the Northern Oasis. Atriest was a city of mystery, of magic. Its existence was a disparity, a lush green metropolitan in the heart of a frost-ridden barren. The warmth, however, did not originate from the sun but from a source most unusual - the Eternal Flame, a mystical source of heat situated in the city's heart that had a soulful incandescence that never extinguished.
Legend recalled the Flame's mystery as a blessing given by a celestial phoenix to the city's ancient founding father, the Great Olbert. 'In the heart of cold, may this flame bring warmth and light... May it protect all its children from the unholy night,' the phoenix had prophesied.
For centuries, the flame burned unbroken, illuminating the city even through the darkest snowstorms, and the city thrived. But the Flame's eternal existence was not unchallenged. The dreaded Frost King, Argoth, resided deep within the Northern mountains, could not endure the warmth of Atriest invading his icy terrain.
Argoth's frosty heart nurtured a desire to extinguish the Eternal Flame. He planned a terrible blizzard, the likes of which the Northern Oasis had never witnessed. Unleashing his icy wrath upon Atriest, ragged winds swirled around, bringing snowflakes dancing around in their fearsome ballet.
But the Eternal Flame held its ground, it radiance unyielding. The flame resonated with defiance, its brilliant light piercing the snowy maelstrom. But the Frost King did not waver and commanded the blizzard to converge on the Flame. The Flame flickered as the icy winds battered it relentlessly.
At the very moment, it seemed the Flame might succumb; a figure emerged from the blizzard veiled in thick furs. It was Alaric, the current ruler of Atriest, a lineage of the Great Olbert. With unwavering resolve and a sword encrusted with emeralds, he stood stalwart in front of the Flame; fervently, he swung at the frosty winds, his sword glowing with an ethereal light.
Every swing of the Emerald Sword dispelled the frosty winds, searing through the blizzard and plaguing the Frost King. But Argoth was relentless, and the battle grew fierce.
Through the ferocious blizzard, Alaric fought. The sword seemed to get heavier with every swing, and exhaustion started to creep upon him. But the sight of his noble subjects cowering in fear ignited his spirit, and with a mighty shout, he drove the sword into the ground. An emerald radiance, as bright as the Northern Lights, shattered the blizzard into a thousand shards of harmless ice.
The Eternal Flame, now untamed, surged higher as if in applause, its glow bathing the city. The Frost King, defeated and humiliated, returned to his icy fortress, swearing vengeance.
His people welcomed Alaric with jubilant cheers. As a sun dawned the next day, it found Atriest unstirred, its eternal flame steadfast and unassailable. The city now symbolized hope and perseverance, and its tales of valor were passed down generations. As for the Frost King's vengeance, that is a tale for another day.