For each Hero Soul Stone, a classification of the main ways to obtain it.
Campaign
Chapters 1-11
Chapters 10-13
Chapters 14-15
Store
Arena Shop
Grand Arena Shop
Tower Shop
Soul Shop Only
* You can’t get Heroic Chest and Hero Soul Stone Chest
Friend Ship Shop
Outland Shop
Guild War Shop
Elemental Tournament Shop
Clash of World Shop Only
* You can’t get Heroic Chest and Hero Soul Stone Chest