With his coming to Morea (1779), the Ottoman Admiral Gazi Hasan Cezayirli imediately begun his preparations, but he could not find more Turks there to join his forces.
Nikolaos Mavrogenis his Dragoman then came up with the idea to seek alliance with the local Peloponnesians (Moraites) & Hasan agreed.
They edited buyurdı "an orient document, in particular an order", with which they invited the local Greek chieftains (klephts) to join Hasan's forces "We invite you to join us & appoint you to kill the Arnauts (Albanians) without fear. Their loots are yours to take. We demand you to deliver to us only their heads & from now on you are forgiven for your actions of the past".
The Greeks were very suspicious at first, but then most of them were convinced by Nikolaos Mavrogenis & they started to arrive at the Ottoman camp, there the Turks welcomed them with compliments & fancy presents.
The only who did not go to the camp was Constantis Kolokotronis (father of Theodoros Kolokotronis) along with some captains like Alexandros Taras, because they distrusted the Turks.
Written by Theodoros Kolokotronis in his "Memoirs": To my father, Captain Hasan send a private letter "Come & join me to exterminate the Albanians, so the Romios (Roman) can reclaim his rights back". My father marched to Trikorfa (the three peaks) with one thousand men & waited there. He did not go to the camp, out of fear, because some years earlier in 1974 the Turks killed his father Ioannis by cutting both his hands & feet as a punishment for his participation to the Orlov revolt.
Hasan then marched from Mylous (Mills) with his 6.000 Ottomans & the 5.000 Peloponnesians that joined him. They stopped at Doliana, near Tripolitsa where most of the Albanian forces been gathered.
Hasan send a letter once more to Constantis to take his men join & kowtow him (express his submission).
My father responded that its no time for "kowtow", its a time of crisis, we are here at Trikorfa in order to repel/restrain the retreat of the Albanians out of the Morea.
Hasan then was convinced & send to my father ammunition & expensive presents for him & the men.