__
|__ inal Fantasy X /---------------------------------------------------------o
|  -------o--------\                     Thunder Plains                      |
       (0000I)      \--------------------------------------------------------o

o------- Item Checklist -------o  When moving around the Thunder Plains it is 
|                              |  possible to be struck by lightning if you 
| Phoenix Down..........._____ |  aren't close enough to the lightning towers.  
| Phoenix Down..........._____ |  When you see the flash of lightning, press 
| Hi-Potion.............._____ |  the X button to dodge the upcoming bolt.  
| Hi-Potion.............._____ |  Open the chest on your left and get the two 
| 5000 Gil..............._____ |  'Phoenix Down.'  Directly Northwest of the 
| Water Ball............._____ |  Save Sphere is a chest with two 'Hi-
| Al Bhed Primer XIV....._____ |  Potion,' save your game before going any 
| Yellow Shield.........._____ |  further.  Head North and stay along the West 
| X-Potion..............._____ |  wall.  North of the shining Cactuar statue 
| 2000 Gil..............._____ |  is a hidden chest along the wall containing 
|                              |  '5000 Gil.'  Make your way Northeast, in a 
o------------------------------o  small alcove that's rather easy to see on 
                                  your minimap you'll find a chest containing 
'Water Ball.'  Now continue North to the next screen.  After going into the 
Travel Agency, speak to Rikku and you'll meet Rin.  Select the top option to 
get 'Al Bhed Primer Vol, XIV' then follow Yuna to the back room for a scene.

In the morning speak to Rikku.  When you're back upside examine the object on 
the ground just a few steps up the path to your right, it's the 'Yellow 
Shield.'  Take the South exit from this path to get back to the first area of 
the Thunder Plains.  You'll notice there are to exits leading North, take the 
one on the right, the Northeast one.  On the second map of the Thunder Plains 
check the right side almost immediately to find a chest with an 'X-Potion.'  
If you encounter the Iron Giant enemies in this area, they're a great way to 
build  experience.  Just use Auron's Power Break skill on them to make them 
manageable.  Head North and watch the scene near the enclosed area.  Northeast 
of here near the East wall is a chest containing '2000 Gil.'  Now head North 
and continue until you reach the Macalania Woods.