Ozmandias thinks he is going to be powerful forever.
He mentions the fact that he is 'king of king's' implies
he thinks he is the most powerful king- Big headed, and arrogant.
alliteration- 'cold command' Implies that he has the role of being
king, but us as an audience have lost complete respect.
'lone and level sands stretch'- implies that there is nothing left of
him, as everything including the mountains are falling apart
because of him being so arrogant about himself.
The statue is falling Implies him falling as a king, and loosing all of
his power.