Rock Caterpillar II
The rock caterpillars are a race of animals living in Hidden Kingdom.  Their ruler is Rock Caterpillar King, but they have no known castle.


The rock caterpillars first appeared in Duo Cannon. HighRoller learned to use their silk to create a metallic liquid capable of covering any surface and drying into a nearly unbreakable metal coating.  They have since joined Big Green, though they have not appeared since.


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