Advice on build Spark-Fork

Hi, new here...

need some advice whether this skilltree would work with spark-fork as main dmg spell and where
i should spent the remaining points. (for HC)

thx

http://www.pathofexile.com/passive-skill-tree/AAAAAgUABVuLjOFz7SBG113G3fNgbRRNogDwHwSzgW-ePE3YjHY62Ow4GjinhJBVKU_kIo5k96a2-hpsGYUkqjbp42qdrqcIj0bQ0M9lVcaboWe97m_YJDbFHwJ-r3YRBAdMsy0fjRngEt2MbRk74eL3pyuLejGIeQMI9MBUB2NXK8Hz8Xaiow_E3Mc7fFqmuMp_xiepWm0kPKdcSVHsGMNtEZYOSF3yfjOkkROejDZw1XBS8-pzU52j_KsvnRbzJjy1BBZvwFHjhIFJsjhmTw==