The air in Asgard had grown heavy, thick with a grief that no mead could soften and no song could soothe. The golden god Baldr was dead, and the shadows of the world had lengthened in his absence. While the Æsir wept, their sorrow soon curdled into a cold, hard resolve for justice. They knew that behind the mistletoe spear held by the blind Höðr stood the grinning shadow of Loki, the son of Farbauti. Loki, sensing that the patience of Odin and the tolerance of the gods had finally reached its absolute end, did not wait for a trial. He fled the celestial halls, crossing the Bifröst one last time before descending into the rugged, mist-shrouded wilderness of Midgard.
He sought a place where the earth was torn and the water roared with enough fury to drown out his own thoughts. He found himself in the north, near the thundering cascades of what would later be known as Goðafoss. Here, the river Skjálfandafljót carved through the basalt, creating a sanctuary of spray and stone. Loki built a small, unassuming house on the crags overlooking a deep pool. Ever the paranoid architect, he fashioned the dwelling with four doors, one facing each cardinal direction, so that no matter which way the gods approached, he would see them coming before they could crest the horizon.
During the long, nervous days, Loki often took the form of a silver salmon. He would leap from the rocks into the churning white foam of the waterfall, finding a strange peace in the cold current. In the water, he was no longer the silver-tongued liar or the father of monsters; he was simply a creature of instinct, slippery and fast. Yet, even in his fish-form, his mind remained restless. He sat by his hearth in the evenings, staring at the embers of a fire made from driftwood, wondering how the Æsir might attempt to snare him if they found his watery refuge. He thought of hooks, but he knew he was too clever for those. He thought of spears, but he was too quick. Then, he began to play with a length of linen twine, knotting it together in a series of intersecting loops and meshes.
Without fully realizing it, Loki was inventing the first fishing net. He worked the twine with his slender fingers, creating a grid that could move through the water and trap anything within its reach. He marveled at his own brilliance, even as a chill ran down his spine. He realized that if the gods possessed such a tool, even a salmon as swift as he could be caught. At that very moment, his keen eyes caught a glimpse of movement on the horizon. From the height of Hlidskjalf, Odin had peered through the mists of the world and spotted the trickster's hideout. The Æsir were coming.
Panic seized Loki. He threw the newly finished net into the fire, watching the linen blacken and curl into ash, hoping to destroy the evidence of his invention. Then, he sprinted to the riverbank and dived into the depths, shifting his skin into scales and his lungs into gills. By the time the gods reached the house, it was empty, save for the smell of smoke. Among the company was Kvasir, the wisest of all beings, whose mind could untangle any riddle. Kvasir knelt by the hearth and examined the white ash left by the burnt twine. He saw the pattern of the mesh imprinted in the soot—the logic of the knots and the spacing of the holes. He understood immediately what Loki had created and how it was meant to be used.
Under Kvasir’s direction, the gods set to work, recreating the net from fresh materials. They wove a great shroud of mesh and carried it down to the river where the waterfall thundered. They stretched the net across the width of the stream, weighted with stones, and began to drag it through the pool. Loki, lurking near the bottom, saw the looming shadow of the mesh approaching. He pressed himself into the silt between two large boulders, and the net passed harmlessly over him. The gods felt a slight tug but saw nothing. Thor, however, was not convinced. They turned back and decided to try again, this time adding more weight so the net would scrape the very floor of the river.
As the net returned, Loki realized he could not hide in the rocks again. He saw the opening of the river leading toward the sea, but the gods were blocking the path. With a powerful flick of his tail, he leaped over the top of the net, his silver body glinting in the pale light like a flash of lightning. The gods saw him then. They knew their prey was near. Thor waded into the middle of the freezing current, his massive legs like pillars of stone against the rush of the water. The Æsir divided into two groups, dragging the net again, while Thor followed behind to ensure nothing escaped back upstream.
Loki was trapped between the net and the open water, with Thor looming like a mountain behind the mesh. He had two choices: swim out to the dangerous sea or attempt to leap the net once more and head back toward the safety of the waterfall's deep plunge pool. He chose the leap. He gathered all the strength in his cold-blooded form and launched himself into the air, a shimmering arc of desperation. But Thor’s reflexes were faster. As the salmon flew through the spray, the God of Thunder reached out and clamped his massive hand around the fish's body. Loki struggled, his scales slick and slimy, nearly sliding through Thor’s fingers. Thor squeezed with all his might, his grip tightening just before the tail.