User blog comment:Jkphantom9/Volume 3 Episode 7 Sneak Peek/@comment-71.180.121.49-20160101054921/@comment-25086632-20160101091804

Somewhere in the comments I think Mark says the semblance was making two things marked with the glyph to accelerate towards each other.

this though, is very off topic xD  probably does need a blog post or something...