Zangrigus stores the souls of any Seviper it defeats in its coffin body, and with every stored soul, its spirit-limbs grow in length and strength. A record of 33 souls were recovered from the largest-known Zangrigus to be defeated.
They pretend to be elaborate coffins to teach lessons to grave robbers. When it battles, it stands on its hind legs and attacks with its sharply clawed forelegs.