Limits, in KH2, are activated when you equip a certain ability to a party member or yourself. Press the triangle button when it shows the option to use it.
Anyways, Whirli-Goof is probably my best one yet it's so good at dealing damage to powerful enemies that it takes the challenge from the battles away.![Stick out tongue :p :p](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Anyways, Whirli-Goof is probably my best one yet it's so good at dealing damage to powerful enemies that it takes the challenge from the battles away.