Scurry
The Rootsucker can Dash or Disengage as a bonus action. When an enemy moves adjacent to it it can spend its reaction to move away up to half its speed.
Sure footed
The Rootsucker can climb and move across difficult terrain with no movement penalty. It can burrow through solid rock with a speed of 5ft
Chomp
Melee Weapon Attack: +1 to hit, reach 5ft., one target
On Hit: 1 slashing damage.
This small plant creature resembles a long, tubular worm woven of vines, with 8 short and sturdy legs.
They burrow underground consuming everything that can fit in their maw.