Slugma migrate en masse along lava flows of active volcanoes, sometimes to such an extent that the lava appears to flow backward. Volcanic settlements have superstitions for this phenomenon, but whether that superstition is good or bad varies.

The hotter their surroundings, the quicker and more fluid Magcargo become. While it’s hard to conduct intelligence tests near active volcanos, ancecdotal evidence suggests that they even become smarter at high temperatures.