The lowish health isn't as much of an issue as I thought it would be, as faith has replenishment/GMB to bolster your survivability, WoG and TwoP are the "OP omg ban from fc" faith spells so might as well use them. 35 dex while not ideal gives enough scaling to make weapons hurt. Technically you only need 28 faith to cast all those spells, but with 30 you have access to SLB/DMB for those times you aren't using lifehunt and want a buff for something (like the BSS or Falchion)
Eventually I gave up and just went 50 faith and use Elemental weapons.