Minecraft - Tutorial: Hostile Mob System (Revised)

This tutorial teaches you how to build a simple and convenient (30x30) hostile mob system from scratch. I also attempt to explain some of the basics of mob spawning and how to improve the efficiency of your mob system with the least amount of effort.

(Important Link)
4-Way Mobavator Tutorial: http://www.youtube.com/watch?v=9Vi8fENFTh8

The OLD hostile mob system tutorial.
Part 1: http://www.youtube.com/watch?v=mZiMCUkxPO8
Part 2: http://www.youtube.com/watch?v=FzZBWbLdi1U
Part 3: http://www.youtube.com/watch?v=bAV_UWceqto
Part 4: http://www.youtube.com/watch?v=exkCN-KXYEo

Видео Minecraft - Tutorial: Hostile Mob System (Revised) канала EthosLab