Illuminati vs Wanda

Doctor strange 2 or Doctor strange in the Multiverse of madness is now available in Disney + and otjer online video anf and film streaming sites. In this movie ,there is a fight sequence between Wanda and Illuminati groups.

First of all , Illuminati are group of powerful and genius people and Wanda is one of the most powerful superhero due to being Scarlett witch qnd knowledge of Darkhold. Since, Wanda doesn't have knowledge of multiversal travel ,So she wants to take these powers from America Chavez. And Doctor strange and America Chavez are now in different universe from Wanda. So ,Wanda posses the body of Wanda of that universe and tried to get to Chavez in that universe . She had to take on Illuminati groups as Doctor strange and Chavez were locked in that Places.

Wanda easily killed all of Illuminati .But it's seem unfair that Wanda destroy them as nothing infornt of her. How's it's even possible. Let's breakdown it.

1) The Illuminati we see are from another universe adn they didn't know more about Wanda of our universe. They underated her powers.
2) Reed Richard tells the secret of Black Bolt power before it started .
3) Wan was was totally powered and corrupted by Black magic of Darkhold .
4) Illuminati don't let our universe Doctor strange free and protect them Wanda.
5) Wanda was crazy because to get a children.