Shuriken

Shuriken is an ability available for Shadow in Cyber Shadow. To use the Shuriken, the player must hold up and press the attack button at the same time, consuming 1 SP and shooting out a yellow spinning blade that can go to the edge of the player’s screen or until it hits an object. The Shuriken has a cooldown of 0.1 seconds. If it hits an entity, they will take damage equal to the damage of the L1 Katana. The Shuriken is unlocked after you beat Apparitor.

Kunai
Kunai is the upgraded version of the Shuriken ability. To use the Kunai, the player must hold the attack button until their attack is charged, then while holding up, release the attack button, consuming 1 SP and shooting out a yellow blade that can go to the edge of the player's screen or until it hits an object. If it hits an entity, it will deal damage and stick for a few moments before exploding, dealing additional damage. The Kunai is unlocked after receiving a power up from the Dragon.