An example of these Katha is described below. It is used to increase the powers of your Phra Ngang, The Katha for Phra Ngang varies wildly and depends on the maker, but these are considered interchangeable.
Namo Tassa Bhagavato Arahato Samma Sam Buddhassa (3 times)
• The first spell: The heart spell of Phra Ngang (This spell may be used daily on all forms of Phra Ngang. This spell builds rapport
and trust between you and your Phra Ngang and enhances its power. )
• The second spell: The spell for seeking assistance.
• The Third spell: Spell for Saneah and Lust. (Indicate your wish after finishing the spell.)
• The fourth spell: The spell for paying respects to Phra Ngang.
• The fifth spell is The spell for issuing a vow. (Inform your Phra Ngang of your wishes after reciting this. Make sure to deliver on whatever you have vowed.)
It is a bit of good advice for the devotee who wishes to use the Black Magic amulet or statue should have the guidance of a proper master with prayer instructions with offerings and Katha to be used.