Arrows of Revolution

A tic started jumping near Hendrix’s eye. “You don’t have a plan? You formed a country without a plan on how to deal with Iysh?!”
 
With Hendrix on their side and aiming for the Iyshian throne, Estole knows now is the time to end the deadlock with Iysh before the Iyshian armies arrive and wipe them out for good. Planning starts in earnest, but with no army to speak of, and their wizards run ragged, the question on everyone’s mind is this:
 
How do you create a bloodless revolution?