Hahaha!! I finally figured it out, and I'm an idiot for not realizing it sooner. The hint it gives you when you die is true. Just blind the Hydras and they will not hit you as often with the insta kill move.
Yeah, I'm sorry but this game just feels lame. It doesn't even feel like a game. It's just filled with blah... this is going to take forever, and looking up walkthroughs on Youtube would just be lame as well... well, time to mindlessly grind for another 30 points...