The Warlords Trivia Event begins today! The event, which runs from June 15th to June 22nd allows players to earn experience and item rewards by responding accurately to questions posed by the event NPC.
Answering all questions correctly nets you the Lotto Pack reward which contains:
Senzu-Pill, EXP-Jewel-Pack, Double-EXP-Brew, Revival-Pill-Pack(10), Martial-Order, Meteor, Wisdom-Gem, Rage-Gem, and Ward-Gem.
For more info on the event, go here.