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Mastery Boost
Mastery Boost image
-Image © Zynga
Type Boosts
Effects earn 2x mastery
Source gift

Mastery Boost is received as a gift from friend. Can accept up to maximum of 5 per 24 hours.

Use this boost to earn 2x mastery on the next job you do.

After use, player will have opportunity to send back a Mastery Boost.

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