To defeat the Pot Centipede, destroy all the Pot Spiders in the area so it can't regenerate, then attack its head. Be careful, though; its attacks pack a powerful punch, so steer clear of its tail.
By defeating Jafar.
you need to lock the keyhole in Agrabah, by beating Jafar.
first, you've got to beat agrabah to get green trinity. then, you have to got to traverse town and into the accesory shop and use the trinity mark. go upstairs and talk to the moogle.
Agrabah is a world you visit after you beat the first 4 floors at the collisium
i find it easy to try to stay on the top, then attack away and when he skakes his head jump down the back of his head hopes this helps, have fun!
i had to beat wonderland and deep jungle first.
Kingdom Hearts 1: Beat Cerberus in the hades cup Kingdom hearts 2: Complete the Pride Lands for the second time
Play Kingdom Hearts 2 and wait until Kingdom Hearts 3 comes out. Hope that helps! =D
By attacking her.
You have to find lots and lots of heartless.
Fight.
You have to beat Ansem