Currently i'm lvl 25, and i don't feel all to hot on what i'm doing...

Build by championBuilder 0.2.4

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: Level 40 Champion

Superstats:
Level 5: Super Strength
Level 13: Super Constitution

Powers:
Level 1: Rain Of Steel -- Rank 2, Rank 3, Accelerated Metabolism
Level 1: Blade Tempest -- Rank 2, Accelerated Metabolism, Challenging Strikes
Level 5: Shuriken Throw -- Chained Kunai
Level 5: Flight -- Rank 2, Rank 3
Level 8: Invulnerability -- Rank 2, Rank 3
Level 11: Energy Shield -- Rank 2, Laser Knight
Level 14: Eye Of The Storm -- Blade Beyond The Veil, Rank 2, Accelerated Metabolism
Level 17: Resurgence
Level 20: Defensive Combo -- Surge Of Strength
Level 23: Ego Sprites -- Slave Mentality, Challenging Strikes
Level 26: Unbreakable
Level 29: Nanobot Swarm
Level 32: Sparkstorm -- Challenging Strikes, Electric Personality
Level 35: Entangling Mesh
Level 35: Teleport
Level 38: Field Drones

Talents:
Level 1: Superhuman
Level 6: Mighty
Level 9: Enduring
Level 12: Physical Conditioning
Level 15: Relentless
Level 18: Bodybuilder
Level 21: Paramilitary Training

this is how my build is looking like right now.

Idea behind this, is a tank with as much defense as i can get.
Basically i'm doing all the defense on items i can get, along with more str and con

I have invulnerability for main defense, with laser knight slotted for added defense when making melee attacks. I use defensive combo on tough fights, and then switch over to eye of the storm for returning damage and for it's defensive buff.
Got ego sprites with the heal ability as well. Used to use resurgence for the oh shait button, but now it's a small small heal only..
and i'm using shuriken for the pull ability.

after the patch, i'm very much low on defenses and resists, so what do i need to do to tank and survive better?

Hmm I run Defiance, Laser Knight, Bountiful Chi Resurgence (basically mitgation), and I feel pretty tank like, after substantial testing I am at about 70% mitigation then BCR which heals about 70 HPT, which cuts a bout 23 DPS off of whatever I'm currently taking which isn't much but helps. at 23 I'm also sitting at just over 5k health and my dmg isn't lacking either I love pulling 2-3 grps of henchmen and just havoc stomping them to death :D....

I'd say grab BCR it really helps me...

Problem here is that you run Invul, which means you have to spam DC constantly to keep your 6 stacks up, and you are STR/CON based which means you are already rather low in the END department...Defiance is helpful just for the END regen honestly I never run into problems anymore...

yeah chi might help a bit... it's a basic hot you can spam every 12 seconds... so that would help a bit..

and about the defensive combo, i usually only run it 3 times to get a single stack and keep a bit aggro, unless i'm on a big boss.

and it won't show me how many stacks i have anyways.

but how good is defiance after it's ramped up?