This ground burrowing vine can be tamed and controled, but once it it tamed it will only follow the directions of its master. It can cling to walls and trees as well as burrow in the ground. It can spy and send messages for its master. 

It can grow and shrink at will the biggest known vine has been recorded at 1 cubic mile long covering an entire dungeon, however they rarely grow to this size. They thrive in cold, wet, warm, and sunny locations. 

Thorns. Melee Weapon Attack: +1 to hit, reach 5 ft., one target. Hit: 1 (1d4 − 1) slashing damage.

Strangle. Melee Weapon Attack: +1 to hit, reach 6 ft., one target per tendril. Hit: 1 (1d8 − 1) suffocation damage