Lorelei is one of the free to play heroes you gain as you progress.
Gold Attributes:
Hero Crit Rate up by 25%
Research SPD up by 25%
Increase Ranged Brigades deployed by 6
Increase Ranged ATK by 30%
Hero Skin Bonus:
Max Stamina up by 3,000
Hero ATK up by 3%
Collecting Hero Shards:
Sweeping Elite 5-3 in Campaign
Sweeping Elite 7-5 in Campaign
Sweeping Elite 8-1 in Campaign
From Arcane Chest (Moonseekers VIP Daily Gift)
Collecting Skin Shards:
Sweeping Elite 6-4 in Campaign
Sweeping Elite 8-4 in Campaign
Lorelei has 2 Skins.
The second skin can be obtained from events and mall
by collecting the shards.
Note: Lorelei is one of my favourite heroes and she has
a really good buff for Ranged formations. She also provides
good research speed which helps you boost those all important
tech upgrades.