Ya sang explained

Ya Sang or Yaa Sang (th|ยาสั่ง) is a form of black magic said to be performed in Thailand's northeast, Isan.^[1] It is based on traditional knowledge of plant poisons, some causing stomach ailments, physical pain, and intoxication, leading to death.

Notes and References

1. Web site: admin . 2021-09-03 . Black Magic in Thailand . 2023-10-22 . Black Magic Spells . en-US.