When you open a reward chest there is 33% chance to win either Alchemy/Legendary Potion DEC * Reward Card
The remaining 1% chance is for Essence Orbs. Recently they have been sold out. I think I gained an Untamed Booster Pack from season Rewards because if this.
Promoted polls are listed on our promoted page. Additionaly, the highest amount spent on a poll between active polls gives a winner spot on the homepage.