- Awesome Music: The series's opening, "El Libro de las Sombras" by cult Spanish band Mägo de Oz.
- Ensemble Dark Horse: Is generally agreed that Slimmer is the best character in the series. This is thanks to his kind nature and for being an obvious Captain Ersatz of Slenderman.
- Narm Charm: As Rubius himself has somewhat of a backlash in Spain and the series itself is done more than a bit intentionally over-the-top, most of its audience is composed by people expecting to get a few laughs at it.
YMMV / Virtual Hero