|Used by:||BoBoiBoy Water|
|First appearance:||Season 3, Episode 20|
Water Blade (Bilah Air) is a weapon of BoBoiBoy Water.
- After freeing himself from BoBoiBot Earthquake's Earth Trap, he sent two Water Blades. One sliced through the Earth Golem 2.0 and then it hit BoBoiBot Earthquake, defeating him.
- It is strong enough to slice rock and metal.