1. what is Ultimecia's one weakness?
Poison

2. what do u need to get to make the lionheart?
12 Pulse Ammo
4 Dragon Fangs
1 Adamantine

3. how many people can fight?
You mean, as in at one time, in a party? Then, three. If you're asking how many normal playable characters there are, then the answer is 6. If you're asking for how many different characters you control over the course of the game, the answer is.... 11 (I think)

4.name four break limits (for Rinoa)
Angelo Cannon
Angelo Strike
Invincible Moom
Wishing Star

5. name five types of ammo
Normal Ammo
Shotgun Ammo
Fast Ammo
AP Ammo
Pulse Ammo