Killing
Scholars have said that if one dreams of intentionally killing a believer, it may be interpreted as intentionally breaking fast in the month of Ramadan.
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.