Better Than You features Blackwing. Below is his challenge statement.
"We've got reports that a hidden laboratory in the Haunted Woods is
producing dangerous potions to ruin Halloween. I'm going to need your
help going in. Watch your back – this place has more tricks than treats."
To beat her you must get 5,300 points in Korbat's Lab.
Prize is Voidberry Potion for
the 500 winners. Additionally, you get a Gold Trophy and 20,000
Neopoints if you are one of the first 10, Silver Trophy and 10,000
Neopoints if you are between the 11th and 50th, and a Bronze Trophy and
3,000 Neopoints if you are between 51st and 500th.