Ceremony Shadows say the song is about "running towards the things that scare you, so that you can grow as a person. During the creation of this track, we all pushed our creative boundaries to write a song that reflects our desire for growing as artists, and the lyrics reflect this process as well".
That all bodes well for their forthcoming album, which I look forward to hearing. Accompanying the single version of Impetus, the band have also released a couple of remixes. Those are all certainly worth a listen, too.