It will be a while until the other creature arrives, because apparently they are taking their sweet time about it. Eventually, though, an unknown figure will emerge - one that definitely isn't Tyki.

Their excess of limbs seems to match no particular theme, some biological and some made of something resembling petrified wood. They continue walking, observing the two before them, until they are in easy speaking distance.

"So, it's true, then. We really aren't alone down here."