is one piece episode 65 filler?

The Billions of the Baroque Works confused on why Zoro disappeared, they started to look for him when suddenly Zoro was right in the middle of the crowd looking up at the roof he was from. The people around him started shooting but they ended up shooting each other as Zoro once again disappeared.

Mr. 8 commanded them to kill him because he is just one swordsman. Suddenly, Zoro was back-to-back with Mr. 8 and Zoro slides his sword through Mr. 8's hair.

Zoro asked Mr. 8 if adding only one grave is enough. The Billions found Zoro on Mr. 8's back and as they were to shoot him, Mr.