They will all die if they join forces:

1. No White Mage just Attacker.
2. Need more healing items.
3. Use a lot of gil/GP.
4. Can't afford to buy better armor.
5. Enemy attack the party.
6. Fighter, Firion, Bartz fell down. OnionKid and Tidus cry and fell down, Cecil can't heal all of them and fell down. Zidane and Locke can't use stealing skill at this time, fell. Cloud and Squall goes EMO, fell down.
7. Game Over.