[2023] Official Discussion Thread, "Bonuses to Gold, XP, & More During the Explorer’s Celebration Event"

Destai;c-7823247

Sweet! Does that include XP for antiquities and legerdemain?

Unfortunately, skills like antiquities and legerdemain do not benefit from the extra xp, as those are calculated differently. However, your normal sources earned experience, like defeating monsters, completing quests, etc will benefit.