Holes

Every creature had its weaknesses and strengths, even those at the very top, whether it was the Nameless King, the Progenitor of the Dragons, or the Rulers of the Arkan World.

The strength of the Plants was their control of energy and the way they interacted with their environment, any tree could become their ally if necessary. 

However, some Plants were able to learn how to use that energy to regenerate, like vampires, only without the serious consequences of exhaustion and thirst.

Crackle.

Sven's needle stabbed into Polosa's head, completely passing through it as dark drops of blood fell onto Sven's cold face.

Whoooooooooosh.

Polosa swung the spear sharply, causing Sven to pull the needle out and jump back sharply. The blade of the spear left a long cut on his neck, from which thin streams of blood flowed.