As other say, you can use it all the time during event. Better it can be used on multiple caracters at once.Amazing... thanks guys.
EvilAutoTech wrote: »If you cannot, or do not, use a buff tracker add-on, you can use a purple food as a timer. When the food runs out, it's time for both the food and the XP buff. And, yes, the daily reward (crown store) food works just fine for this.