That's why Dugu has been practicing. Allegedly, he's at the ninth level.
6 seconds sound clip from the Return of the Bastard Swordsman movie soundboard.
You can hear this line at 00:02:33.053 in the DVD version of the movie.
Quote context
[...]
- The two kung fu masters in China are Dugu Wu Di of the Invincible Clan, and Yun Fei Yang of Wudang.
- Dugu's Fatal Skill is sinister and ruthless He has been invincible.
- Who is the better of the two?
- It seems like Fatal Skill has repeatedly been defeated by Silkworm Skill.
- That's why Dugu has been practicing. Allegedly, he's at the ninth level.
- It's hard to say who'll win.
- Regardless of their power, they cannot stop me from invading China.
- I want them to know that the Ega clan martial arts is the best.
- Yes!
- Brother, your Phantom Skill... How is it coming along?
[...]