+Rech, +HP. In that order. And no I wouldn't slot health just for Energize.
I actually have my 50 set up on Energize with 3 Golgi 52+ (Hami origin) Heal/End Red, 1 IO heal and 2 recharges= 700+hp heal and recharges in about 45-50 secs. Add that to a maxed out Heal Self of 600+hp (3 heal 2 rchrg, 1 interupt), and I can tank like a S o B by alternating between the 2 heals when needed. Mobs of +2/+5 can be handled fairly well depending on the enemy.
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Pure White Lightning - Level 50 Electric Brute
Purple Drop - work in progress Axe/Shield brute
Blue Icefall - Level 50 Ice Tank
@Blue Lava
I'm unsure of the best but here is my build of SS/ELEC w/Regen
Is it worth slotting health to combine with the +regen of energize?
My alternative for the slots would go into lightning field as acc/end mod.
What is the best route to go?