Because of this combination of skills / perks [u]Arcane spirt +divine order[/u] : this combination gives you 80-90% of the bar filled in both armor and recovery( reduses agility to about 15-20% [u]energy drain[/u]: normally only reduses your grenade cool down but is augmented by other abilities. [u]Embrace the void[/u]: where it starts to get fun. Damaging enemy's with your grenade / nova bomb triggers energy drain [u]life steal[/u] killing a enemy while energy drain is active restores a " significant portion " if your health. [u]the hunger [/u] extends the duration of energy drain With these abilities you should be able to tank very well