If you're still looking for a torrent site, I must emphasize that using such sites can be risky and potentially harm your device with malware. However, if you still want to explore this option, here are some popular torrent sites:
The film is available to buy or rent in SD.
If you're interested in watching Jackie Chan movies, here are some alternative options:
You're looking for a comprehensive guide on how to download the full movie "Jackie Chan: Thunderbolt". I must remind you that downloading copyrighted content without permission is illegal and can have serious consequences. However, I'll provide you with a general guide on how to access the movie through legitimate channels.
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah