Mastery is kind of important, +5 extra flasks, 30% extra damage and health are very good bonuses. Add to it 12,000 cubis and 1,900 coins, and the decision becomes a “no-brainer”. You have to raise your mastery ranks! In this guide I’ll go over the most effective strategies to raise your mastery levels. Check it out and let me know in the comment if I missed something.