After some wiggle-waggling at PTS with my magsorc, I noticed a rather impactful drawback of the new CP system for mag-characters. That drawback being the sum of diminishing return and Exploiter passive.
I'll just quote myself from another thread
The best result I managed to achieve on Target Skeleton was still with using Blockade of Storms and Exploiter passive. The problem with it is that they changed the impact of CP. Thaumaturgy in total makes your DoTs stronger on 25%. You make it to 23% already on 40 points. Everything else is a huge waste. However. You need 75 in that tree for Exploiter. 35CP - into nothing. Because if you're magsorc your only choice in that tree is Thaumaturgy.
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As a result you now need even more CPs. Because you now have more stars which require 35+ CPs. And that's only if Exploiter will underperform, which is, for now, doubtful.
For Exploiter to underperform you need your whole raid to go into HA builds. I don't see it now. As I said, HA underperforms. This strategy is bad. HA still remains the last resort.
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TL;DR: Exploiter still is a very strong passive. A "must have" passive if we talk about Trial-group setup.
DD stamchars have that passive naturally through Mighty and Precise Strikes. But DD magchars really have only one star that benefits them: Thaumaturgy.
And here comes the problem: diminishing return makes putting 75 points into Thaumaturgy a huge sacrifice. We're talking about 30-35 magCPs or 90-105 CPs wasted. Which doesn't help with "making the gap between low-CP and maxed-out chars" at all.
Imo, it would help magchars a lot, if you moved Master-At-Arms star into Ritual constellation. Or, truly, any star that somehow benefits mag damage.
Putting 75 point in Thaumaturgy is rather tough on not-maxed-out char on Live. But on PTS? It feels
crippling.
English isn't my native, apologies for any mistakes.