Knotty Holy Night Summon

General Information

 * Duration: 12/6 (Tue) 8:00 - 12/16 (Fri) 7:59 PST
 * 5 Hero Stones for 1 Roll
 * 1st roll guarantees a 4-star unit or higher
 * 50 Hero Stones for 10 Rolls
 * Guaranteed two 4-star + units
 * Holy Night Gift Bag