Answer: the ruins of a statue
Explanation: As in the poem "Ozymandias," it goes over how there used to be a king that ruled over a great land but it is now in ruin therefore making him the king of despair, it also explains that
"Nothing beside remains
Round the decay
Of that colossal wreck, boundless and bare
The lone and level sands stretch far away."
Thus, it further explains the reasoning of the answer.
