I recently found a "secret" that enables you to get the best ninja sword. You'll need the Site 11 key to the Lhusu Mines to do this:

This is about chaining Bombshells. The Bombshell is a rare purple bomb that appears in an area in the Lhusu mines called the Lashe span. Usually chaining rare game is inconceivable, but in this case, it certainly is possible, and it’s the key to obtaining multiple Yagyu Darkblades! Personally, I decided to only get three after a 21 chain. I could have kept going for six, but what’s the point? Okay first off, you’ll need to make the necessary preparations. Make sure you’re at least level 55 before attempting this. I highly recommend equipping Bubble Belts. As a side note, you can steal a Mallet from the Bombshell. You need two of these to sell for the Masamune (best katana). If you do choose to steal, I recommend setting of steal gambits and equipping Thief’s Cuffs. Prepare the following gambits on all characters:

Self-Bubble (only necessary if you don’t have Bubble Belts)
Ally: HP<60%-Curaja/Curaga
Ally Status: KO-Arise/Raise
Self- Haste
Foe: Flying-Blindga/Blind
Foe: Flying-Silencega/Silence
Foe: Water-weak-Dispel
Foe: Water-weak-Attack

Using this gambit system will allow you to “disable” the Aeronites that will try to destroy you in the process. Obviously you’ll have to take their assault without fighting back. Don’t bother trying to induce other ailments; they don’t work. Try to avoid them whenever you can. This may mean running away for five seconds. Anyway, I recommend using three melee characters in this fight with good shields. The more hits you can block, the better, for the Bombshell deals over 1000 damage per slam. Notice the Dispel gambit. This will nullify its “Greater Barrier” attack that summons Protect and Shell. Now onto the hunting: There is a 20% chance that a Bombshell spawns in the Lashe Span (must have Site 11 key). Normally, when you kill a monster and return the area immediately, it doesn’t re-spawn. However, the Lhusu Mines offer a secret to get around this. Have you ever tried using the rail carts? That’s right, using the rail cart will reset the monster count in the Lashe Span! Now, this doesn’t mean that ever time you use the cart a Bombshell appears. However, it does make it possible for a Bombshell to spawn. There are carts north and south of Lashe Span. The process is as follows: Enter Lashe span from the south. Usually, you can spot a Bombshell from the south more often than from the north. If you don’t see it, just keep exiting and entering. Always remain in flee mode until you see a Bombshell. Though it is possible that a Bombshell spawns in the north or south ends of the span, it’s better to keep entering at one location instead of running down the entire span. Now, there are two important clues that signify a Bombshell’s in the area. One is the positioning of an Aeronite. If an Aeronite is chasing you and all you flee and come back, it will usually still be waiting to take you down. However, if upon reentering, you find it off in the distance, there’s a Bombshell present. The second clue is a delayed transition. By that I mean that it takes a little longer for the area to load when entering the span. These clues aren’t 100 percent accurate, but they actually seemed to be true throughout my 21 kill chain. I’m pretty sure that once it spawns, it’s there for good, so I don’t think it necessary to run down the entire span every time. If, after reentering about seven times, you still don’t see a Bombshell or clue, just run the entire span. It will probably be there. Once you find the Bombshell, take it down, grab the loot and run to the nearest exit. Before exiting the span, turn off your gambits. You do not want to accidentally disrupt your kill chain. Even though the gambits I gave you won’t hurt anything but the Bombshell, you might have some gambits of your own that could mess up the chain. Better play it safe. Follow the tracks and you’ll eventually find a cart to ride. After you get off reenter the span until you find a clue or see the Bombshell. Turn your gambits on and try not to attract an Aeronite. If you’d like you can cast Vanish/Vanishga, but this is barely useful. Keep repeating the process. This takes patience, but it does reward you. After the tenth kill, the chain will level up. As stated earlier, it took me 21 kills to get all three blades. I think I got them on 10, 16, and 21. Well, hope you get your Yagyu Darkblades!

merged: 02-10-2007 ~ 04:04pm
I apologize for the messed up text. I copied this from a word document. In general, if you ignore the squares, it should read just fine.

thanks for the tip. Ive been trying to get the blade but no luck so far, hopefully this will change that

hey, really usefull thanks

Whoa this is really useful. Thanks a lot.

nice tip

thank's man

Thanks, the explantion was great and now I can finally be able to get that sword.

nice tip =0 i love this game... and this mini guide on how to get is good =) thx

thanks a bunch

thanks!

Ugh, I hate those damned mines. I nearly died the last time I stepped foot in one.

I'll try your strategy, though, next time I get a chance.

is there any secret in final fantasy XII that square enix didn't tell us in the walktrough

the secret is something like ultimate boss at final fantasy X(it is a dark aeons and penance if you beat all the dark aeons)