P61 explains how it applies to Mind Control

P82 explains how it works with Telekinesis with Animation

P108 is an overview.


2006 in PK mentions the +70 version is necessary to avoid the cumulative -1 for each additional target in the area if combining Area Effect and Malediction

2008 in

The advantage to Persistent is that it is additive -- if you concentrate for an hour, then you get an hour, and you get the Persistent time on top of that, once you stop concentrating.
With Independent, you can't get that hour. No matter how long you're willing to concentrate for, you get minutes equal to MoS. That's it. No more, no less.

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