Pharaoh Wave

Pharaoh Wave (ファラオウェーブ) is Pharaoh Man's secondary weapon. When used by Pharaoh Man, he fires a wave of solar energy. When used by Mega Man and other characters, it releases two waves, one forward and one backwards.

Mega Man 4
Pharaoh Man uses this weapon. However, the player can't obtain it from him.

Mega Man 2: The Power Fighters
in Mega Man 2: The Power Fighters, taking the place of the Pharaoh Shot. Pharoah Wave is Gemini Man's weakness, and can hit the two Gemini Men at the same time.