167% strength is needed for 100% Armor Strip so you need 1 Tau Ability Strength Archon Shard for it. If you want you can drop Overexetned for [Stretch], and [Blind Rage] for [Archon Intensify] and it will 100% Strip without any efficiency loss or Archon Shard supplementation. Arcane [Guardian] and [Adaptation] make me tanky enough with all the healing and Blessing DMG Reduction. I even have enough healing to help the team with [Combat Discipline], it also triggers Nourish and Arcane Avenger. Nourish gives additional Viral damage which is good vs red health and Arcane Energize in one, with Champion Blessing and Arcane Avenger Red Crits possible too. I am using 1 Tau Ability Strength, then 3 Health, and 1 Armor Azure shard to become an undying tank. Run Madurai, for +50% Cast Speed and 40% STR boost for Nourish, Vazarin, and Unaru works too.

Enjoy :)