[7] In 1391–1396 Spytek reclaimed the Land of Wieluń[8] and Orzeszków from Prince Władysław Opolczyk.

On 13 June 1395 the King gave Spytek a part of Podolia as fief, Queen Jadwiga confirmed this on 10 July 1395.

[9] During the brief period when he was Duke of Podolia, he succeeded lead to the resignation Fyodor Koriatovych of the rights to Podolia and with Queen and King negotiated with Sigismund of Luxembourg (then King of Hungary) the border issue; and with the Bishop of Vilnius tried to prevent the secession of Lithuania from Polish–Lithuanian union, after acclamation by Vytautas the King of Lithuania on 12 October 1398.

As Duke of Podolia also took part in the expedition against the Golden Horde, which ended the Battle of the Vorskla River.

In the battle he had to show courage when the Lithuanian army, under the command of Vytautas, escaped.