Imperial knight (Reginald) is a paid to play hero which requires you to make a purchase.
Gold Attributes:
Hero HP up by 30%
Construction SPD up by 30%
Hero DEF up by 30%
Increase Cavalry ATK by 30%
Skin Gold Attribute:
Increase Army ATK by 20%
Collecting Shards:
You need to purchase multiple packs to upgrade this hero.
Its the beginner pack Hero, first pack is 1 USD (then 5, 25 ranging up to 2x 100USD for epic and gold)
Collecting Skin Shards:
You need to purchase packs to upgrade its skin (Royal Captain).
Note: Reginald is a very handy Cavalry focused hero for those type of
players who use Cavalry set ups to attack. His special ability is devastating in both arena and campaign.
For beginners the construction speed increase provides quick growth.