Happy Hour/Empower

Empower Happy Hour event allows player to use Joker Orbs freely (as many as possible) to empower a dragon without orbs requirement. It does not mean that "players have unlimited joker orbs that player owns and use them freely". actually it means "It allows player to use Joker Orbs as many as possible to empower a dragon without orbs requirement."
Empower Happy Hour event may also offers some Joker Orbs in Triple Offer.