Cursa

Cursa is the main antagonist in the game Mario + Rabbids Sparks of Hope. She is an entity that wants to consume Sparks and spread matter known as Darkmess across the galaxy, which she uses to drain the Sparks of their power. Cursa is large, imposing, and covered in a purple cloak with a spiral shape on her face, and possesses floating human-like hands. Underneath her cloak, she has a red, menacing eye which changes to blue whenever she shows a soft side.

Cursa was created by a fragment of the Megabug, the main antagonist of Mario + Rabbids Kingdom Battle. After the fragment mutated with stellar debris, it gained sentience. It fed on the life energies of the galaxy, eventually transforming into Cursa. Later on, Cursa was drawn to the Comet Observatory, where it would attack Rosalina and some Rabbids and Lumas that were there. While Rosalina was fending off Cursa, the Rabbids and Lumas merged together to create a powerful new species, Sparks. Rosalina had also merged with Cursa. Although Cursa was in control, Rosalina tried to rebel against her. Cursa then created an army of corrupted Rabbids and controlled minions of Bowser, along with the Spark Hunters to lead them.