Question: what are the best weapons to kill the wall of flesh?
Answer: Molotov Cocktail can be used to kill some of the Hungry. ... 
The Beenade is arguably the most effective weapon against the Wall of Flesh of any class. ... 
Explosives, such as the Grenade, may work as well, quickly clearing the Hungry. ... 
Although expensive, Holy Hand Grenade is a great option.