Hi @torrenz, it seems that you are looking to join the fight of making some sweet Double Damage Dealer (DDD) Builds ! There are many combos that are viable to a varying degree (almost all combos really) depending on the items used and the class combo/skills used.
I knew I could make a Vitality/Bleeding Blade Arc Witchblade to work for you pretty easily and I spent the last few hours crafting and fine-tuning it before I posted it to my thread. Feel free to check out the build and see if that’s something you would like to work towards making. It works quite well and is easy to play! 
Enjoy!