Board Thread:Game Help/@comment-26839211-20150731000108/@comment-2189621-20150813004851

It's pretty hard to fight Wall of Flesh with just Melee items. I'd probably say a flail, a spear, or, if you can get one, The Enchanted Sword would be best.

Other than that, you should go with the Star Cannon/Sand Gun, and bring some potions, mostly Regen, Iron Skin and Swiftness.