Evolto

Evolto (エボルト) is a Revenant who got resurrected by the Karma Klan. His name is based on the same antagonist from the series Kamen Rider Build. However, this Evolto hails from an alternate timeline where he defeated Kamen Rider Build before ressurection.

Before Daydream Heroes
The last essence of Evolto was seen in the final episode of Kamen Rider Build. He was killed by Build RabbitDragon Form's Voltech Attack.