Place a piston circuit on the 32x32 platform that pushes a block every 5 seconds to knock Endermen into the hole. Alternatively: Build a water stream (but Endermen teleport from water, so use Pistons or a moving floor).
Build a 32x32 platform of solid blocks (End Stone) at Y=64. minecraft 1.7.10 xp farm
If you are playing modded or vanilla 1.7.10, building an requires a different approach. You cannot simply build a "Raid Farm" or rely on endermite glitches—because those didn’t exist yet. Place a piston circuit on the 32x32 platform
In 1.7.10, Endermites are glitchy. Do not use them. Just rely on line-of-sight. minecraft 1.7.10 xp farm