Why do I feel drained after using fire rituals for cleansing?

Name: Rohan Sen.

DOB: 22 September 1994.

Time: 9:05 PM.

Place: Kolkata, India.

I have recently tried doing aura cleansing with fire. And after that, I felt light but also tired. Is this normal? Am I doing something wrong? What does it say about the energy in my body?