At level 2, you get the ability to produce a 10-ft radius within 60 feet of you as a Bonus Action. The gross blight and decay is difficult terrain for enemies. Anyone caught inside takes 1d4 Necrotic damage once per turn when they take damage from other effects. The blighted land increases to a 20-ft radius at level 10. At level 10 and 18, the damage dice increases to 1d6 and 1d8, respectively. You can shift the radius 30 feet as a Bonus Action. This ability is able to be reused whenever you complete any kind of rest.