Piccolo was, essentially, a defender when it came down to group efforts. As much as he boasted power and strength and being an ultimate fighter--while he was with a group he tended to stick close by in order to keep an eye on things and make certain people remained safe. His scouting, therefore, had been severely limited despite the plans and ideas they had talked about.

Still...

"There were more demons out farther than the gate positions. I didn't catch direct sight of any buildings but if I had to guess there was something more out there for them. Somewhere they're gathered largely or settlements or something, surely." He paused briefly, not sure this really answered Tidus's question and thus how to get back to it. "So, no... not really. Other than the fact that there were more of them out there beyond where we were fighting that could be gathering up for more attacks."