Vampdash is a Spark that appears in Mario + Rabbids Sparks of Hope. It shares its name with one of Rabbid Luigi's abilities in Mario + Rabbids Kingdom Battle. It is located in the Pristine Peaks Secret Zone.

Vampdash is a somewhat tall, purple Spark that rides a purple leaf, which is shaped like a bat. This Spark is similar in appearance and ability to four other Sparks: Electrodash, Aquadash, Zephyrdash and Cryodash.

Source: https://www.mariowiki.com/Vampdash