The King’s Grave

Who is the dead king, and what exactly is the purpose of the place other than the treasure?

I think it's just an interesting little tidbit, but I'm not sure on that.

Perhaps it has to do with

Spoiler

what happens at the end of the game - (see double spoiler if you really want to know

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Double spoiler: MAY RUIN END GAME EXPERIENCE. YOU HAVE BEEN WARNED.

Spoiler

... it says "To Be Continued". Perhaps the King was somebody important that the son will run into.

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