[3.3] Molten strike, flame totem, spectral throw, ground slam...

Looking at the title, and looking at my character, would you say I'm playing a little too convoluted? In the past I never quite got this far, I'm actually able to clear tier 1 maps easily, but then I get to the boss and get easily slaughtered. My main ability I'm using is molten strike with a bit of spectral throw when enemies are a distance away, and Vaal ground slam as an emergency HPS and decent damage. I just wanted to come here and ask for help, as I'm sure people will be bothered by my passive skill tree, if you all can offer any advice, it would be greatly appreciated!