User blog comment:Dewven/Hard Hardmode/@comment-184.155.114.56-20130606140620

When fighting the Destroyer, it is helpful to build a sort of platform high (but not so high that Wyverns and harpies spawn) above the ground. On this platform, build a small house, make a hole in the floor, place a wooden platform in the hole, then summon him. He will be unable to hit you, but almost all of your ranged attacks will hit him. To deal with the probes, cover the outside of your house with dart traps (your house will be small). Then, for more support, a friend is very helpful in Terraria. Extend the platform about 500 blocks longer for the Twins and Skeletron Prime.