A Trap

I placed the last idol on the correct plinth and waited.

Just as I began to fear that I'd made a mistake, I heard the rumbling of ancient gears turning. The wall began to slowly lower, and I prepared to see the fruits of years of research.

I found the chamber, yes, but there were also about a dozen or so skeletons, and none of the relics, at least at first glance.

Then I saw the rucksack, bulging with relics.

...

I was surely quicker and more nimble then these losers, right?

I jumped forward at a not quick enough run.