The Curse

After months of searching in South America, Nathan finally discovered a lead on what could be one of the biggest treasures of all time, in the old text he found they described a big golden disc, engraved with the image of Pachumama an old goddess who was revered by the Incas, the artifact was supposed to be immense, it was said to covered the top of a temple as it was the roof. 
Accompanied by a local guide Nathan arrived to the place the old temple was built; but there was a problem, the said temple was gone, the place where the city described in the old texts was, is now nothing but an empty valley, the guide told Nathan that he shouldn't get closer to the valley, the old gods would get upset his he did so, looking back to the trail where they came from he saw what it looked to be an old wall, as if they were protecting something, but why protect an empty valley?, he thought.
Nathan was sure something was off, there were old roads that disappeared into the jungle floor, as if they were cut, he kept on searching for hours, until he felt something,  his heart started beating faster, he started sweating and started feeling dizzy then noticed he hadn't seen the guide in a while, he tried to call him but his voice was gone, he started to worry and thought on going back to the old road they saw before, but when he gave his next step he heard something break, it sounded like he stepped on a small ceramic piece, after checking the ground he found a small thin road made of what it looked like tiny ceramic bones and skulls, they looked strangely realistic and detailed for its minuscule size.
Still lost and confused Nathan decided to follow the thin bone trail. The more he waked the faster his heart was beating, without noticing his lower body was getting affected by this too; after a few minutes of walking the trail ended, then he saw what it looked like a golden coin flashing in the top of a stone altar [...]