Bubble Blaster (バブルブラスト Baburu Burasuto, lit. "Bubble Blast"), renamed Bubble Blaster (バブルブラスター Baburu Burasutā) in Kingdom Hearts 3D: Dream Drop Distance, is a technique introduced in Kingdom Hearts Birth by Sleep. It allows the user to fire volleys of bubbles at targets.
Mechanics
In Kingdom Hearts Birth by Sleep, Bubble Blaster is a Shotlock that has a maximum level of 5 and max lock of 15. After the initial volley, the player can perform extra attacks by pressing 
rapidly to fire even more bubbles.
In Kingdom Hearts 3D: Dream Drop Distance, Bubble Blaster is a Link Attack that drains the Link Gauge by 6.6% per second. The Spirit can be turned with 
and fires when pressing or holding 
. The bubbles have a chance of trapping enemies, with the exception of bosses, in bubbles, which burst when attacked or after 2 seconds, damaging enemies around it. Both the shots and exploding bubble deal Water-elemental damage.
Learning Bubble Blaster
Kingdom Hearts Birth by Sleep
- Aqua has Bubble Blaster as her default Shotlock.
Kingdom Hearts 3D: Dream Drop Distance
- Sora can use Bubble Blaster by linking with a Tatsu Steed.