https://www.everquest.com/news/doubl...september-2017

From 12:00PM PT on Thursday, August 31, 2017 until 12:00PM PT on Tuesday, September 5, 2017, ALL players on ALL servers will receive Double XP! Additionally, members will receive 25% off ALL Marketplace items! If you’ve been waiting to pick up something from the Marketplace, now is the perfect time!