Make a spell attack against a creature you can reach. On a hit, the target takes 1d10 necrotic damage. The creature must make a Constitution saving throw, if fails takes full damage, if passes takes half damage (DC 13). The target takes 1d10+5 necrotic damage at the end of each of its turns, and until the spell ends, you can use your bonus action on each of your turns to automatically deal 1d8 necrotic damage to the target.

Nonmagical organic materials that aren’t creatures, such as trees and shrubs, wither and die instantly.

For every 2 spell levels, it gains 1d10