Fun game. I have 2 requests, though.
1) Let Scroll of Healing work with the auto-healing upgrade.
2) Make an option to divide up stacks of items for enchanting/extracting.
fun! 2 things though... 1) a self destruct button would be nice. I've gotten stuck in a hole a few times that I couldn't get out of. 2) I think knockback applies to enemies attacks as well.