Not that they are really necessary, but they are useful if anyone is trying to do a Petra's run. All last wish specific armor mods say they "have been deprecated and no longer function".
For anyone that doesn't know, this refers to: Taken Armaments, Taken Barrier, Taken Invigoration and Taken Repurposing.
I wonder why they did this and didn't say anything, at least that I saw...
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