Here is the list of 6-star Heroes and Villians that are available in the featured Hero Crystal. This is the current pool of 6-star featured hero crystal and we will update the list when the new ones are introduced.
Cost: 15,000 six-star hero crystal shards.
6 Star Featured Heroes Pool (Added November 19th, 2019)
You can check the list of Basic Heroes Pool Here
Cost: 15,000 six-star shards
Available for 12 Weeks (84 Days)