How much BE does it cost to upgrade Champion Mastery Levels under the new BE system?

emadbaig91·10/22/2017, 4:47:27 AM·1 votes·253 views

Currently it costs 500 blue essence to upgrade to Mastery 6 and 600 blue essence to upgrade to Mastery 7.

Does anyone happen to know the exact upgrade cost in the new system?

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