Why is General Grievous sick?
Michael King
Updated on February 17, 2026
During the encounter, Windu used the Force to crush the chest plates of Grievous, severely injuring his lungs, and causing his now distinctive cough, which made its way into Revenge of the Sith.
What disease does General Grievous have?
Mace Windu Caused General Greivous' CoughGeneral Grievous engaged Windu in combat when the latter tried to stop his escape. Windu used the power of the force to crush his chest plate, dealing him a massive blow to the midsection. This in turn sparked his cough, which made its way into the theatrical film.