Tanky Non-CI Freezing Pulse build

I'm trying to make a Freezing Pulse crit build, and this is what I came up with:
http://www.pathofexile.com/passive-skill-tree/AAAAAgUAAnEC_gQHBLMFWwdjCPQOSA_EEGkRLxGWFE0WvxdUGYUaOBpsHwIigSQ8JKomlSepKU8tHzCXNsU26TmKO3w74ULDRtdJUUyzTdhVS1crWm1apl3GXfJgbWHibRlwUnDVc1N5A31Tf8aBb4KbgziH24t6i4yMNox2jjyOZJBVmZqdgJ2jna6ePJ6hogCio6cIpyunXKeEr5u2hrb3tvq4ysBRwFTB89gk3Mfd89-E4XPi9-Nq44TkIutj7DjtIPAf8-r3pvyr

The idea is to spam freezing pulse to freeze everything on the screen, and maybe use an ice spear totem. Any feedback would be greatly appreciated.