Treasure Chest Opened After Watching Ad

Watched an ad to open the Old Treasure Chest in the Elf Forest. Got a 30-minute 5-gem booster. It's a 2.5% drop. So happy with the 5-gem booster! Old Treasure Chest (Elf Forest) Item Probability 500 Coins 0.1% 3,000 Gems 1.5% 5 Gem Booster: 1 Hour 1.6% 5 Gem Booster: 30 Minutes 2.5% 1,000 Gems 3% 500 Gems 5% 10,000 EXP Up 18% 5,000 EXP Up 28% 3,000 EXP Up 40.3%