[4]: 68–69 "His reign of 25 years is important for being the last peaceful period of Ayudhya during which literature with the arts and crafts flurished."

However, the king himself was known for "cruelty to people and animals alike," with seven of his sons meeting violent deaths.

His elder brother, Prince Phet (เพชร), succeeded the throne as Sanphet IX (Thai Sa) in 1708.

The civil war within Ayutthaya was "a big fight, bigger than any which had occurred in Siam in former times".

With the victory ensured, Phon executed his nephews, the government civil servant allies, and took the throne as King Borommakot.

Early in his reign in 1735, the king's eldest son and heir was accused of a love affair with one of his father's queen.

[8] In spite of the bloodshed that preceded his reign, Borommakot was known for his reconstruction of Buddhist temples and the peace and prosperity Ayutthaya finally enjoyed again.

The Ayutthaya Royal Palace and Wat Phu Khao Thong was also the scene of massive renovations partaken by Borommakot.