Chopper finds himself alone at the sacrificial altar and encounters Ohm, one of the four priests. Kibamuku Uwabami! Tsui ni Hajimaru Survival Game - IMDb
Luffy, Zoro, Robin, and Chopper are attacked by a massive snake (Nola) while heading toward the southern ruins, causing the group to split up. OnePiece_Ep_168_ITA.mp4
The episode marks the beginning of the "Survival Game" on Upper Yard: Chopper finds himself alone at the sacrificial altar