Three crystals appear in a trigram formation and project rays that fuse and become a giant beam of light energy.

Dark Link (ダークオブリンク Dāku obu Rinku?, lit. "Dark of Link") is a technique that appears in Kingdom Hearts Birth by Sleep. It allows the user to shoot a giant beam of light. It is the opposite of Vanitas' Dark Cannon attack.

Mechanics

Dark Link is a class A Shotlock that has a max lock of 20 and deals dark damage. The attack will cause the user to clash with Vanitas, which can be won by rapidly tapping   (  in Japan).

Learning Dark Link

Kingdom Hearts Birth by Sleep