Does anyone know if its possible to get GF Tonberry and not get Odin? That would mean going into Centra Ruins, fighting as many Tonberries as possible in under 20 min, then leaving before 20min is up, and then keep going back for more Tonberries until you get 20, each time going for under 20 min.
You really don't need Odin if you junction properly.
Anyone know if this is possible?