Exploration of the Lake Kingdom, A Fair Trade

Firelight blazed bright, the plain stretched vast and gray, and not far away the sea lay in one boundless expanse. On the coastal plain, the kingdom's Purepecha Warriors and the fighters of the Yoreme Tribe gathered in a circle by the firelight, their expressions relaxed and joyful. At the center of the bonfire, two leaders stood facing each other, smiles on their faces, thoughts flickering in their hearts.

At their feet, a wicker basket lay overturned on the ground. A great heap of gold nuggets had spilled out, flashing with a stirring golden light that fell into everyone's eyes and leapt in everyone's hearts. The Purepecha Warriors' eyes shone with longing, while the Yoreme Tribe's fighters paid it no mind at all.

Old militiaman Chiwako looked at the glittering gold nuggets for a while, scratched his head, and asked aloud.

"Friend, these golden stones, traded for spears—how do you want to trade? We didn't bring many spare weapons on this voyage."

Hearing this, Chief Kalan nodded. In his view, since the Lake Tribe was searching for a holy land, then naturally they had sent their fiercest warriors, carrying their finest weapons. Chief Deer-Head's eyes flickered. First he held out one hand, then he held out another.

"Mm... For one big basket of golden stones like these, I want to trade... fifteen—no, twenty Copper Spears!"

"Ah! Friend, twenty Copper Spears? For one basket of gold nuggets?!"

"Mm! The weight of twenty Copper Spears should be about the same as one basket of golden stones, right? Same weight for same weight. Very fair..."

"This is fair?!"

Chiwako's jaw dropped in shock, and for a moment he could not speak. A spear two and a half meters long weighed about four or five jin, while the bronze spearhead was only around four or