The Wall, the Mare, and the Eight-Legged Foal
One day a man rode into Asgard on a stallion so large the ground shook beneath its hooves. No one recognised him. He was broad across the shoulders, quiet in the face, and he laid out an offer that made the gods stop chewing mid-meal: he would build a wall around Asgard, so strong that no giant, no mountain-troll, no bloody creature in all nine worlds could break through it. A wall that would stand for eternity. The price was Freyja, the sun, and the moon.
The gods laughed. That was the natural response. Three things that held the world together, in exchange for stone and mortar? Freyja half-rose and had the sort of look that makes people sit back down. But Loki, who always had an idea when one was least needed, stood up and said they should negotiate. That was the first time Loki involved himself in something like this, and it was not the last. If they just set an impossible deadline, he said. If the builder could not take help from any man. Half a year, the winter, and if the wall was not fully complete by the first day of summer he got nothing. Not a stone in payment.
The gods thought it sounded excellent. They had sworn oaths on it and set their runes, and they felt clever. No one could build a wall around all of Asgard in a single winter. It was physically impossible.
The builder had one condition: he wanted the help of his stallion Svaðilfari. The gods waved it away. A horse. What difference does it make? Loki said it was harmless, and the gods listened to Loki.
It soon became clear that Svaðilfari was no ordinary horse. The stallion hauled blocks of stone the size of whole houses, blocks that should not have been movable even with ten yoke of oxen, and he hauled them through snow and ice as though they were firewood. Night after night the builder and his horse worked, and the wall grew. Every morning when the gods looked out it was higher and stronger, and they sat at their morning meals staring at each other with a feeling they were not accustomed to: that they might have cocked things up.
Three days before the deadline the wall was nearly done. Only the gate remained. The gods called an assembly, and the mood was roughly that of a trial where everyone knows they are guilty. They turned to Loki. It was his idea. It was his negotiation. It was he who said the horse was harmless. "And if Freyja, the sun, and the moon disappear," said Thor, and his hand was already around Mjolnir's shaft, "I am going to kill you, Loki, and I am going to do it slowly." It was not a threat. It was a promise. Loki could tell the difference.
Loki swallowed hard and promised to sort it out. He had always sorted it out before. That was his thing: cause the catastrophe, then rescue himself with a solution that was even more catastrophic.
That night, when Svaðilfari was hauling the last load of stone toward the gate, a mare appeared at the edge of the forest. It was the most beautiful mare that Svaðilfari or any other stallion in the nine worlds had ever seen. The mare whinnied, turned around, and showed herself. Svaðilfari lost all interest in stone and mortar and duty and tore himself loose from the load and chased the mare into the forest with a force not even the builder could stop. All night the stallion chased the mare through thickets, over streams, through darkness, and the builder ran after screaming and cursing, and that night was the last night, and not a single stone was laid.
The wall was not finished. The gate stood open. The builder, who had lost everything, flew into a rage, and in the rage his disguise cracked like a thin crust of ice. He was a mountain giant. His whole body swelled and his eyes burned and he advanced on the gods with hands that could crush cliffs. The gods had promised him safe passage, but the promise was made to a builder. This was a giant. Thor did not trouble himself with the legalities. He settled them with Mjolnir. One blow, straight to the skull. The giant's head split like a pot, and he was sent down to Niflhel, and that was that.
Loki was gone for a long time. Months. No one asked where he had gone, because those who knew Loki understood that sometimes you did not want to know. There were rumours, rumours that people whisper behind closed doors and then pretend they never heard. When he came back he had a foal with him. It had eight legs, grey fur, and it ran so fast its hooves barely touched the ground. Loki had been the mare. Svaðilfari had mounted him. The foal was his.
You can laugh about it, and the gods did, behind his back, and the jokes were coarse and they never quite stopped. Loki as a mare. Loki taking it. Loki with a tail and heat and a stallion between his legs. They called him a faggot when he could not hear, and argr, and worse. Words that said he was not a man, that he had carried and birthed and let himself be ridden like a mare, and in the world of the gods there was no greater shame. But none of them had volunteered to run through the forest in his place. None of them had come up with a better plan. And the foal was the fastest creature anyone in the nine worlds had ever seen.
Loki gave the foal to Odin without comment, and Odin accepted it without comment, and the horse was named Sleipnir. Eight legs. Grey as mist. Faster than thought, faster than wind, and it could ride between the worlds as easily as across a meadow. It was a gift born of shame, and it was the finest gift anyone had ever given Odin, and Odin knew it, and Loki knew that he knew, and neither of them said a word about it.
Odin rode Sleipnir from that day on, and there was no horse that could match it. But Odin was not satisfied. He had walls, he had the fastest horse in all the worlds, and he had a realm to rule. It was not enough. It was never enough for Odin. He wanted something no horse could carry him to, and he was willing to pay whatever it cost.