UA Summon (Petrify)

General Information

 * Duration: 7/?? 8:00 - 7/??  07:59 PST
 * 5 Hero Stones for 1 Roll
 * 1st roll guarantees a 4-star unit or higher
 * Step 1: 10 Hero Stones for 10 Rolls
 * Gift of Stamina Gel S x1
 * Step 2: 20 Hero Stones for 10 Rolls
 * Gift of Stamina Gel S x3
 * Step 3: 40 Hero Stones for 10 Rolls
 * Guaranteed 5-star UA Hero x1
 * Step 4: 50 Hero Stones for 10 Rolls
 * Guaranteed 5-star Featured UA Hero x1
 * Step 5+: 50 Hero Stones for 10 Rolls
 * Guaranteed 4-star unit x2
 * Gift of Element Ring (Dark) x1
 * UA Heroes will be buffed in Carnage Sphere (Zagi)
 * 5-Star Units: 2.0x
 * All obtain the dark elemental advantage, regardless of element.