Heh, sorry.  I thought the sigil itself would create a portal somewhere nearby.  So I took inspiration from Sliders.  And Stargate.  And I guess every other 90s show involving portals.  Anyway, I wanted a solid reason for Moth to hesitate stepping through.  If anyone else thinks it doesn't fit, I'd gladly change it, though!

Okay, back to doing nothing with my weekend!