Atlas (Arcane Golem) is one of the last free to play heroes you get progress
through the campaign.
Gold Attributes:
Hero DEF up by 30%
Food Production up by 250%
Increase Cavalry Brigades deployed by 6
Increase Army DEF by 25%
Collecting Hero Shards:
Sweeping Elite 7-3 in Campaign
Sweeping Elite 8-5 in Campaign
From quests
From Berserker Chest (Bloodbite VIP Daily Gift)
Collecting Skin Shards:
Non available at this time.