Worm Friend:
Charge:Very Slow
Cost:75 Hearth
"Grabs and kills one first single enemie upon being stepped and disappear" (Similar to kelp from Pvz)
Sadly flying enemies should just by pass it.
Example: Sperm Whale, Fly and Etc.
Would be too OP
Still too OP. It can deal some amount of damage that is not crazy one, and have more cost, like 100-150 health.