Drugs, especially hallucinogens and psychoactive drugs can be used in place of extra sensory powers or abilities including time sensitivity/witchblood. They often have ritual purposes. However there are always side effects.
Aralen Phosphate. Used to treat malaria. However if you have a high fever, no sleep and a body already poisoned with heavy drug use you may end up in a fuse state that leaves toy susceptible to possession
1).
Yagé. Banisteriopsis Caapi is a plant found is South America. Highly toxic and may cause cardiovascular problems. Hallucinations and may increase time sensitivity
2).