Source: The Great Interpretation of Dreams (Ibn Sirin)
Revenge in a dream indicates victory over enemies and triumphing over them.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Revenge indicates the end of worry and the fulfillment of a need.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Revenge is interpreted as triumph. Whoever sees himself taking revenge will triumph over his enemy.