How do you kill the dragon in kh recoded?

Answer 1

I'm guessing you mean Maleficent toward the end of Hollow Bastion.

The easiest way is:

When it first starts, she will stomp, sending a shockwave. Jump over it and attack her feet. When her feet give out, she'll shoot flame into the sky. While she does that, jump onto her back, then jump at her head and attack it. Dodge the fire when it comes back down. Repeat this until she droops her head and is stunned. While she is stunned hit her head some more.

repeat all that and she will eventually go down.

If you are still having trouble, you may need higher levels. A tip would be to put your trophy and level up chips in the stat matrix in the lines connecting 2 CPUs. When 2 CPUs are linked by chips all chip effects between them will be doubled.