For unknown reasons, Bolko I chose to follow different politics than his brothers and began a close cooperation with Henry IV Probus, Duke of Wrocław.
In 1287, in an ongoing conflict with the Church's secular power, Bolko I made mediation attempts between them and Henry IV prior to a full military victory over the Duke of Wrocław.
On 26 February 1289, an unexpected Silesian army under the command of Dukes Henry III of Głogów, Przemko of Ścinawa and Bolko I of Opole attacked Siewierz, counting on the support of the Governor of Kraków, castellan Sulk the Bear (Sułk z Niedźwiedzia).
Duke Przemko of Ścinawa was killed in battle and Bolko I was seriously wounded and captured by Władysław I the Elbow-high, who released him one year later after he paid a large ransom.
The extinction of the Přemyslid dynasty in 1306 broke the existing alliance of Bolko I with the Bohemian Kingdom and began to improve the already significantly tightening relations with his neighbors.
It's unknown if the Duke heard the complaints of the burghers of Kraków against Władysław I the Elbow-high and appeared in Lesser Poland in April 1312 following his own interests, or just as the new Governor appointed by the new Bohemian King John of Luxembourg.
In any event, Bolko I couldn't cope with Wawel castle and soon returned to Opole, where he imprisoned the leader of the rebellion, wójt (Mayor) Albert.
In 1278 the engagement of Agnes, daughter of Margrave Otto III to a son of Duke W. (who probably was Władysław Opolski) was approved by King Ottokar II of Bohemia.
[3] They had three sons: On the other hand, the Obituary of the Church of St. Vincent in Wrocław showed the existence of a certain "Grzymisława, Duchess of Opole" (Grimizlaua ducissa Opuliensis) who was buried there around 13 September 1286.