There's Pukutak, and then there's mini pukutak.

As for the ring you can't reach, you can't jump between the levels in macalania. Hold O (or whatever your jump button is) and run towards the edge. Yuna should jump You might have to do it a couple of times to aim properly.

It's a very useful trick in macalania, especially if you're going without no encounters. stupid fiends there like to kill everyone.

Just go everywhere in Macalania, and you should find everyone. I mean, I haven't, but if you're following a guide, you should probably pay attention to them better than I do