https://en.wikipedia.org/wiki/Marcus_Licinius_Crassus
Marcus Licinius Crassus (/ˈkræsəs/;[5] c. 115 BC or 112 BC – 6 May 53 BC) was a Roman general and politician who played a key role in the transformation of the Roman Republic into the Roman Empire. He is often called "The richest man in Rome".
"A story later emerged to the effect that after Crassus' death, the Parthians poured molten gold into his mouth as a symbol of his thirst for wealth."
Punishment for trying to cross the Euphrates and conquer Persia.
https://en.wikipedia.org/wiki/Battle_of_Carrhae