well its pretty hard to actually ruin the fh build, but..
remove Determination rubies, and take shadowy reach, cuz otherwise you will not be able to dispel negative magic effects, only poison ones.
you can remove the point from Blood Tap (since its highly unlikely that a FH will actually strike the finishing blow to the target), and get cc aka Deb. Plague for astral runs, or Delayed Healing for slight hps increase.
personally, i use this
http://en.allodswiki.ru/calc#!4!122..33.…MQC!ocnd/ETXJVT
cuz some kakers want me to cc mobs in 20/21 ffs