Miluthir was born in the 85th year of the Third Age during the uneasy peace following the victory of the Last Alliance. His father had fought in the war and spoke often of what he had seen, and what he had done. Miluthir therefore grew up wary of warriors, wondering why anyone would wish such a life for themselves.

His father had found a new life for himself following the war, finding a wife, building a home and hunting in the endless trees of the Greenwood. His mother would treat the leather, tanning and cutting it before selling it at the great markets of Aragroth. Miluthir always yearned for more, never understanding why his parents chose the life that they had. They lived within half a days march of the gates of Thranduil and Miluthir could often be found there, eyes wide as he watched the nobility of the Greenwood come and go, and occasionally setting eyes upon the Elvenking himself!

It was little surprise to his parents that when Miluthir came of age, he set out to find a place within the Halls of Thranduil. He found work within the great kitchens, scrubbing pots and loading and unloading the great bundles of supplies that flowed in and out of the Palace. The kitchen staff soon learned to speak with guarded tongues around him, lest their grumblings or misdeeds would reach the ears of their superiors. Miluthir rose quickly from the pot-scrubber to the waiting staff, leaving a trail of anger and jealousy behind him.

The guards that he served spoke freely with him, for he had learned that an easy smile, open ears and an extra measure of wine stood him in good stead to hear secrets and gossip. He was never shy to repeat what he heard, but only when the spilling of such secrets would be to his advantage. His words often found the ears of the courtiers themselves, that elite group that Miluthir had always wished to be a part of.

As the years passed, he slowly climbed ever higher towards his goal, for ambition had become the driving force within his life. He rarely saw his parents, never leaving the splendor of the Elvenking's Halls for the squalor of their shack in the woods; welcoming them only grudgingly on their trips to the Palace, although these trips seemed to become more infrequent as the years passed. He had a few acquaintances, but no friends. His ruthless drive had left him with little time and less interest in such things.

As the long years of the Third Age passed, Miluthir gained ever more influential ears to whisper into, until his words found the ears of Thranduil. Intrigued by the young Elf, Thranduil raised Miluthir into his own service, taking the place of the young valet that he had disgraced with repeated gossip and half-truths. For almost 2000 years Miluthir kept his position, quickly learning that his peers were at least as capable as he at political maneuvering. It was not until the coming of the accursed Dwarves of Thorin Oakenshield and his deluded company that Miluthir found the correct leverage to advance himself once more.

Many of the court were filled with foolish pride and misplaced gallantry, pledging their swords to the Elvenking and marching under his banner to desolate lands of Erebor. Miluthir had learned enough from the stories of his father to not march with the host of the King, but instead he remained behind, safe within the walls of the Palace. His rivals at Court lay accusations of cowardice at his feet, but Miluthir simply smiled and brushed off such comments. He had hand picked a group of retainers and guards and had requested Thranduil to allow them to stay behind, to help Legolas in the running of the kingdom whilst the King was absent. Thranduil assented, for the group that Miluthir picked would be the least use in war, and the least willing to march. By this act Miluthir gained the approval of the King, and the loyalty of those he had saved from the prospect of a war they were unwilling to fight.

When Thranduil returned, absent several members of Court that had fallen in the terrible battle, Miluthir seized his chance, using every favour and every debt to elevate himself to the inner circle of courtly life. He had the backing of the faction he had built over long years, and was more than willing to report all that had occurred in the King's absence. Finally, after many lifetimes of Men spent scheming and plotting, Miluthir was truly a member of Court.

Many years later, when Legolas did not return from his journey to Imladris, Thranduil sent Miluthir after him, with instructions to learn what he could of his son's whereabouts and what Elrond was doing. There was a conspiracy afoot, that much was clear.