Holiday events are in full swing for players of Nintendo’s mobile games, but the challenges are still rolling in. Take a look at the current lineup of events for Fire Emblem Heroes: Tempest Trials+: Burden of Gifts is here! Here are the big rewards and the score needed to earn them: ◆Divine Code (Ephemera 12) × 50: 6,000 ◆Fort. Def/Res...