The Festive aura is a special aura that features a 50% experience boost and a wintery cosmetic effect. It was released alongside December 2012's Winter Weekends. The "festive bonus" experience effect could remain activated for 30 minutes with a usage limit of once per day exclusively during the month of December, after which it became just a cosmetic aura. This item is the first and only aura available that does not require Loyalty points to purchase.
The aura was deposited upon logging in, into all members' inventories starting on 1 December and ending 31 December. If both the bank and inventory were full, players could talk to Xuan to obtain the aura manually. Xuan will still replace the aura, even if lost after the event period. He also used to replace the aura if it was lost or destroyed each time the player spoke to him, even if they didn't want it, although this has been corrected. Players who subscribed at any time during December were still eligible to receive the aura.
The bonus is said to have worked the same way as any other XP-boosting aura does. It is confirmed to stack with other bonuses such as skill pendants and skill outfits. It also did not boost one-time XP rewards, such as those from resource dungeon discoveries. The daily bonus experience was capped at 50,000. The aura could be taken into Dungeoneering floors for bonus experience, although, not until 3 December.
The aura was revealed first through a lobby message, confirmed in forums, and after the news post, concept artwork from the RuneScape Facebook page was posted. Mention of it was among the login promotion messages on free-to-play servers.
This will be announced officially tomorrow, but it will indeed work like other Auras, with a 30 minute duration which can be used once per day. It will also have a cool wintery cosmetic special effect too!