The Imam's Horns
Interpreters mention that whoever dreams of the Imam having two horns may rule the East and the West, based on the story of Alexander.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.