The base pool includes so many 5-star heroes and villains that increase your chances to pull too many craps. If you are looking for Specific Class Champions, it’s always good to open those that daily updates on the basis of class. However, the base crystal costs only 10,000 shards compared to 15,000 shards for the featured crystal.
Cost: 10,000 five-star hero crystal shards
List of all heroes and villains available in 5-star Basic Hero Crystal