Le Than Bwa

The assassination paved the way for his ally Prince Min Nyo of Kale to seize the Ava throne three months later.

The first mention of Le Than Bwa (or Hsan Hpa in Shan[1]) in the chronicles is when he was already the sawbwa (ruler) of Onbaung (Hsipaw/Thibaw), a Shan-speaking vassal state of Ava, in 1425.

[5] Though he ruled a peripheral state, Le Than Bwa would prove to be a central player in a scheme that plunged Ava into a deep political turmoil for the next two decades.

Le Than Bwa became involved the palace intrigues in 1425 when he was recruited by Queen Shin Bo-Me to assassinate King Thihathu.

In August 1425, Le Than Bwa and his men ambushed and killed Thihathu at Aung Pinle (modern Amarapura, Mandalay), the location Bo-Me provided.

Thray Sithu of Myinsaing commanded Ava's defenses, on the eastern and western banks of the Irrawaddy, respectively.

[10][9] When Thado's forces broke through Thray Sithu's defenses, Le Than Bwa took over the overall command of the army at Sagaing, across the river from Ava.

The 1427–1428 expedition gained control of Pinle,[12][13] a well defended town with high brick walls at the edge of the Ava capital region.

The king urged Le Than Bwa to withdraw his support of Minye Kyawhtin in exchange for forming an "alliance", essentially recognizing Onbaung's independence.

(Thado also sent a similar mission to Yat Sauk Naung Mun, immediately south of Onbaung, to persuade its sawbwa to withdraw his support of Taungdwin and Yemethin rebellions.)

By 1443, Thado's successors kings Minye Kyawswa I and Narapati I had defeated long running rebellions in the north and in the south, leaving Pinle as the only holdout.

The army was initially driven back by the combined forces of Yat Sauk, Naung-Mun, Mong Nai, and Nyaungshwe (southern Shan states) but eventually prevailed, and restored Kham Yut Bwa to the Onbaung throne.