User blog comment:MrJahanGuy/Boss Strategies/@comment-34288740-20180409181106

for eye of Cthulhu you can use magic too. I find this way very easy and you don't need high tier armor for it. all you need is a magic staff sapphire or above, a wand of sparking, any armor above copper, and some mana stars, and if you want mana potions. for potions you can use ironskin, any healing, and swiftness. while you attack with any staff you can also use a wand of sparking to set him on fire dealing damage when you can't reach him. keep it up and eventually he will die. also for skeletron mage using only staffs and iron or higher