Hawthorne (Mountain Warrior) is a free hero and one of the first you acquire.
Gold Attributes:
Hero HP up by 30%
Increase Trade Product quantity by 25%
Increase Craft Studio production by 5%
Increase Infantry HP by 50%
Hero Skin Bonus:
Hero HP up by 30%
Collecting Hero Shards:
Sweeping Elite 1-1 in Campaign
Sweeping Elite 3-1 in Campaign
Sweeping Elite 4-1 in Campaign
From quests
From Volcano Chest (Flamehammer VIP Daily Gift)
Collecting Skin Shards:
Sweeping Elite 2-4 in Campaign
Sweeping Elite 7-2 in Campaign
From Volcano Chest (Flamehammer VIP Daily Gift)