Paik served as a naval squadron commander in the battle of Gu-Htut (1390–1391) in the First Ava–Hanthawaddy War.
[2][3] He was a member of the four Hanthawaddy delegation that met with King Swa Saw Ke of Ava and successfully negotiated a peace treaty to end the war.
[4][5] He again served as a naval commander of a rearguard flotilla in Hanthawaddy's invasion of Ava in 1401.
[6] Even when the tide of war turned against Hanthawaddy in 1402, he remained part of the faction led by Minister-General Zeik-Bye.
Their faction, which also included Baw Kyaw, advocated for the continued siege of Prome (Pyay) while co-chief ministers Byat Za and Dein Mani-Yut favored withdrawing from the Prome front altogether.