Acid Sand
This is based off of the mongolian death worm which is rumored to spit acid, turn things yellow and corrode them, and can discharge electricity. don't believe me? google it. hidden by the desert sands as they shift underneath the blazing sun.
Isolation-Excerpt 35-Heavy Metal
We both fell to the ground as the drill broke free from the wall and flared itself open like a mongolian death worm.
The Man Who Would Not Kneel
"the mongolian death worm...skin-walkers of north america...ahhh, ghouls apparently eat the flesh of intelligent beings and can take the form of the recently devoured!" saito grinned and arched an eyebrow at daisuke.