Lock-On

Lock-On is a game feature throughout the Kingdom Hearts series. It helps the player focus on attacking one target. The character may jump if the enemy is too high up in the air. However, the Lock-On may wear off if the player gets too far from the enemy or the enemy disappears. =Buttons to activate=

Kingdom Hearts (game), Kingdom Hearts Re:Chain of Memories, Kingdom Hearts II
Press the R1 button.

Kingdom Hearts 358/2 Days
Press the R button twice.

Kingdom Hearts: Chain of Memories
Press the R button.