Omar is one of the free to play heroes you gain as you progress.
Gold Attributes:
Hero HP up by 30%
Hero Block Rate up by 30%
Max Stamina up by 3000
Increase Cavalry Atk by 60%
Hero Skin Bonus:
Increase Army HP by 25%
Collecting Hero Shards:
Sweeping Elite 1-3 in Campaign
Sweeping Elite 4-3 in Campaign
Sweeping Elite 7-1 in Campaign
From Berserker Chest (Bloodbite VIP Daily Gift)
Collecting Skin Shards:
From events or mall.
Can be collected from Quests.
Note: Omar is an ideal hero for Cavalry formations and players.
However, be vary it is easy to overpower Omar with other heroes.