1.) Yes, Scorpion's arcs are heavily bugged; however, the first one - which you do to unlock the pool - works perfectly fine.
2.) Down to personal preference, really. I've always enjoyed avoiding damage altogether; I also use Force Field Generator which stacks with the Scorpion Shield. Can't give a definite answer, unfortunately.
3.) I haven't taken the damaging power, but I can vouch for the others; the holds are awesome. I've kept a Longbow Ballista locked down, and his abilities were recharging so slowly - due to the first Nullifier Mace power - that he was hardly a threat.
The Brute I team with has confirmed the mace prevents knockback (although there's a mace power that doesn't hold; it knocks people all over the place).
I never went into the Scorpion power pool intending to do damage, and I have to say I'm very impressed with the set as a result.
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The Brute I team with has confirmed the mace prevents knockback (although there's a mace power that doesn't hold; it knocks people all over the place).
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It is somewhat annoying being superstrength, since some damage mitigation can be had by the knock ups/downs, which the web grenade prevents much in the same way gravity distortion field does.
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The Brute I team with has confirmed the mace prevents knockback (although there's a mace power that doesn't hold; it knocks people all over the place).
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That doesn't match with my experience. I took BS with Toybox, who's traps secondary.
The /traps web grenade stops immobilised mobs from being knocked back.
However, I've lost count of the number of times I've popped the AoE Web Grenade from the Bane Mace onto a group, and still had them thrown backward by Swarm Missiles from Stompy. Anything in the spawn that I'd tagged with a web grenade as well didn't get thrown back.
So either it does do -KB, but a lower magnitude than the single target web grenade, or it doesn't and Swarm missiles don't always KB.
Personally, I went the the Bane Mace because I've spammed web grenades the most out of any of my powers on Toybox, and it fits.
:edit: Oh, and Stompy isn't slotted for Knockback, either 
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Warning:
The above post may contain Cynicism, sarcasm and/or pessimism. If you object to the quantities contained, then tough.
I've been trying to decide on my Patron and as it's a permanent choice I didn't want to rush in. However I've taken that a bit far far now and next level I want a shield/armour.
My mastermind is Robotics/Dark which I made as my first char in CoV beta and recreated in live when I was totally happy with my Necro/Dark MM. Now it's well known that this is a good combo (although I didn't know it at the time, just got lucky, guess it had to happen sometime!), so I don't want to mess it up with the wrong Patron set.
I know they are all quite similar but there are a few differences that I'm pondering over.
Now this character isn't really following a concept, but I've narrowed it down to either Scirocco or Black Scorpion. Both would fit with how I see the character now.
Here are the points that I keep going over in my head:
1)
Black Scorpion arc is said to be bugged. I'm not sure how exactly but am reluctant to do it incase it has much of an impact.
2)
Black Scorpion's set's Armour is Def based, Scirocco's is Res based. For someone with the HP of a MM whichis best and why? (Also consider Nrg/-Nrg res in Shadow Fall, is it best to stack with this or add Def as well?)
3)
Black Scorpion's hold and immobilize have -fly which could be used to take flying enemies out of the air an onto Tar Patch for Res Debuff. However it does do any damage, unlike Scirocco's. Do either sets prevent knockback?
Those are the points I've been considering, is there anything I've missed?
Can anyone make a decent arguement for one over the other?
Also, do the attacks in either set out-damage either of the single target attacks in the Robotics powerset (single shot and over time (I believe it has a longer recharge))?
Thanks for any help/advice.