russianfolklore:

“Skarapeya” by Boris Zabirohin.

Skarapeya (Russian: cкарапея) is a magical snake who
reigns over the other snakes. If a mortal will eat skarapeya then he’ll get an ability to understand animals, birds and
herbs.

The snake knows
whereabouts of buried treasures, but always protects them. Also it can open locks, cure and spread
diseases,
protects from magic.