One thing I'm happy about this Season is that the Power cap didn't increase.
For the last couple of Seasons I'd get to the Powerful cap then struggle to grind out to the Pinnacle cap so I wouldn't be considered under-level for other activities.
This Season I didn't have to worry about grinding back to the level I was at for all of my gear & can just focus on getting Pinnacle drops, which also gives me the breathing room to focus on other things.
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Best thing to do is get rid of it. Fully pointless. Just have artifact level if you want leveling.