Thanks for your quick answer Sega Chief.
I am not using any other mods, only new treat 1.5. vanilla combat.
Today I downloaded a save editor named Black Chocobo to try and bypass that event, it kind of worked, but then I go back to that area and tried to play the arena mini game and the game frezze the moment Cloud enters the arena (screen goes black, music continues playing but next screen never loads), so I guess maybe is a problem especific to that room or screen.
I also experience a weird glich in the mytril mine, when I started the battle with the Turks, instad of Elena and Rude, the game loaded three weird monster with 9999 HP, gliched name, and that were completly inmovile, after killing them the game continued as normal.
It would be nice if you could do a little clean up of the vanilla combat version, so people that dont desire a harder game could still enjoy the other great content that your mod as created.
Thanks again and have a great day
