You have an enchantment ID conflict with EvilCraft (enchantment ID 101).

Here's the crash report:
http://pastebin.com/YHTkDP8S

Here's the log:
http://pastebin.com/2rkPtfbE

Here's a link to the matching issue for EvilCraft:
CyclopsMC/EvilCraft#335

There is a .cfg file for that