Posting Freak
Posts: 4,260
Threads: 61
Joined: 2012-09
If you're planning to re-cube that you should wait for pot locks to be available. I'd recommend re-cubing it since Unlimited is coming soon and something like 30% PDR for that third line would be good.
How's your main weapon, by the way?
Posting Freak
Posts: 4,267
Threads: 92
Joined: 2010-10
I'd aim for Legendary because the difference between Unique and Legendary on weapons is huge.
Posting Freak
Posts: 18,970
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Joined: 2008-07
If you're serious about bossing at all, not having legendary on weapon/secondary is inexcusable.
Posting Freak
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Honestly you're not likely to improve on that in under 100 super cubes, keep it unless you like wasting money.
Legendary has way better secondary lines, but you'll never see the benefit if you're using <100 cubes. It also has 35% and 40% primary lines - but one of those on its own is not better than 30%+15% that you currently have.
Bossing damage lines are under 5% of legendary weapon potential outcomes - getting 2 at once on a 3L item is thus around 1.4%. That's including the 20%/30% lines obviously. If you want 40%+30% chances are lower.