Could try that I guess.
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BTW, Lincoln Tunnel CM is supposed to be one of the two "easier" CMs right? I tried pugging it a few times and each time we just get destroyed at the entrance. I'll try out pugging for Event Center CM but I can't say I'm too optimistic about it.
At this point it feels like I'm better off just trying to get a DZ group going or just get 4 lvl 30s and get PCs from the hard dailies.
My stats for reference:
http://www.neogaf.com/forum/showpost.php?p=198446337&postcount=19455
For challenge missions it really helps to team shoot enemies and try to funnel them into choke points where possible. Drop back to safety if you are being overwhelmed as well. Hit them with skills to stun and disorient and concentrate fire on 1 enemy at a time. having 3-4 people shooting at 1 enemy at once really helps to drop their health down quick. Also, if you are playing with a team it helps to build your characters for specific roles. Someone having the ammo crate health station is great to keep the team from running out of ammo.