http://game-guide.me/2008/07/gemcraft-walkthrough-hints-tips-and.html http://armorgames.com/page/GemCraft-Strategy-Guide 2 links - check these for help and still waiting for chapter2^^
alright. In the final battle, use a lot of armor reducing gems(because it has a armor level of 120) and max out "the number of high grade gems".Then it's hit points went 10000 something, make a grade 9 poison gem and wait for his armor gone 0(u can just skip this if u didn't have enough mana to stop him and very little armor reducing gems, just wait until his hp went 10000 something). if u didn't have enough to stop him, and his hp didn't went down to 10000 something, i cannot help u.....