[quote name='PrinnyOtaku']Pandoran Spear is a bad choice. I don't know if you've gotten Taming Pole yet, but that would be what you want to use, or eventually. Belladonna is the best choice, swap out Axis for Lionheart when you get it.
Renew is a technique which costs 1 TP to use, it basically heals your whole party for 60-75% of their max HP, and also revives any fallen party members. Because a Curaja + AoE Phoenix Down of sorts.
Chips are just for selling. They don't do shit for upgrading, so go ahead. In fact, anything that says "Can be sold for a premium" should be, they are worth way more as Gil than their EXP value.
The only difference between upgrade components is whether it is organic or mechanical, and that only affects the bonus multiplier.
Also, by no grinding needed I mean you are NOT skipping every mob in between bosses -.-
If you just clear whatever is in your way once (ideally you want a fully Libra-ed mob anyways, right?) you will be strong enough to take on anything (Chapter 11-13 too). There is no need to backtrack/respawn mobs.[/QUOTE]
I had not skipped anything - went for every side branch and treasure (as far as I know) and did hit some respawns on occasion to so I should have been ahead of the game. Like I said, up to chapter 11 the roles were always neatly filled out near the end of the chapter just in time to be expanded again. I dunno, maybe that will happen on my way up the tower - we'll see. Though I probably ground out another 100,000 so far and am nowhere near filling them out.
As for libra-ing everything - hey, I'm obsessive, but not
that obsessive. I used libra all the time early on because I thought the 100 enemy info trophy might be hard to get. It turned out I got it before I even started chapter 11, so that one is easy as pie (and as a gold trophy I found that somewhat surprising). I'm only using libra now on bosses and particularly tough enemies (like mission marks and that fatty guy at the beginning of the tower). I feel no need to complete the datalog for every enemy. Getting a platinum and all the work that will take will be more than enough for me. I'd rather save my TP for summons (though I've only ever done it like once) and now for Renew which now that you mention it I have seen there when selecting Libra.
That (being a completist) does remind me though (and with all the Demon's Souls talk), I am like 2-3 hours short of getting a platinum on DS and I just completely stopped playing. I better get back to that before I forget how to play - I was a well oiled machine in that game at one point

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Thanks for the tips on the weapons. The FAQs are very vague on that and only quote stats without really commenting on them (other than one exception which I followed and mentioned earlier). I figured that meant they were all the same in the end so I just picked what looked good (plus following the one suggestion I did find). But since I have to upgrade all of them to Tier 2 for the treasure trophy anyway I guess I didn't waste anything in upgrading Pandora/Axis Blade. I'll see if I have the Taming Pole (maybe it is purchasable?). I think the reason I went with the Pandora is that one of the FAQs did mention the Tier 2 version of that as their weapon of choice for going through the tower. Why is it bad vs Taming Pole?