Rules[]
Summon Heroes
1. Summon 1 Hero by using Summon Nectar*1 or 
*300.
2. Summon 10 Hero by using Summon Nectar*10 or *3000.
3. You can have a free chance to Summon every day if you pay 
*50.
Drop Rates
1. Chance for R Heroes is 24.070%.
2. Chance for SR Heroes is 61.177%.
3. Chance for SSR Heroes is 13.038%.
4. Chance for UR Heroes is 1.715%.
Shards
1. The amount of Hero Shards for a duplicated R Hero is 15.
2. The amount of Hero Shards for a duplicated SR Hero is 30.
3. The amount of Hero Shards for a duplicated SSR Hero is 40.
4. The amount of Hero Shards for a duplicated UR Hero is 60.