Guild Wars 2 on Twitter: "Catch up on story, brush up your Masteries, and prepare for The #IcebroodSaga with the Expansion Boost Special Event! From today until September 17, you'll gain double
LPT: If you're looking for fast Experience gain for Skyscale masteries (or Karma), Specimen Chamber pre-event is a good choice : r/Guildwars2
A Guide to Masteries for Guild Wars 2 - ISK Mogul Adventures
Need tips to maximize mastery exp gain.. - Players Helping Players - Guild Wars 2 Forums
Training vs Mastery: EXP Items for Mount Leveling, Mastery, & Life | GrumpyG
Experience - Guild Wars 2 Wiki (GW2W)
Blizzard Adds Development Note about "Adventure Awaits" Buff on Season of Mastery - Wowhead News
Guide to exp boosting : r/Guildwars2
The Expansion Boost Special Event Begins Today | GuildWars2.com
KMST ver. 1.2.095 – Reverse City & Guild Remodelling! | Orange Mushroom's Blog
Mastery - Guild Wars 2 Wiki (GW2W)
SWTOR Guild Perks and Guild Levels Guide - MMO Guides, Walkthroughs and News