Venom withers vegetation on contact

Seps

Where the Seps slithers, it leaves a trail of desolation – lush forests reduced to ash, fertile fields turned to barren wastelands, and life-giving rivers transformed into poisonous sludge.

Hoop snake

The Hoop snake's bite is often described as incredibly venomous, with some stories claiming that its toxin can cause trees to wither and die upon contact.