Rubuta ci gaba don wannan sakin layi - Koyaya, jim kaɗan bayan an sake shi, William ya karya rantsuwar amincinsa, kuma ya fara neman kawance da taimako daga ƙasashe daban-daban na Yammacin Turai. Bayan da gwamnan Byzantine na yankin ya sanar da ayyukan William, Michael VIII ya aika da rundunar soja a karkashin jagorancin ɗan'uwansa, Constantine, a kan William, amma ba a yi nasarar ba, da farko Byzantines sun yi nasara a yakin Prinitza a 1263 sannan kuma, bayan da Constantine ya koma Constantinople, ya sha wahala babban nasara a yakin Makryplagi
a shekara ta 1264.