Spending Units

What's the most effective way to spend units?

Comments

Very confusing question...

Invest in masteries if you haven't already unlocked all

1: masteries
2: 4th July/Cyber weekend
3: amazing value deals inbetween
3: clearing content
NEVER: buying crystals

Masteries is the most effective way of spending units if you already haven't made them well.
2nd thing gonna be those july and Cyber Monday deals...

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