Geary (Firearms Merchant) is a paid to play hero which requires you to make a purchase.
Gold Attributes:
Hero ATK up by 20%
Increase lab deposit by 1000
Research SPD up by 25%
Stamina Recovery SPD up by 10%
Skin Gold Attribute:
Increase Army HP by 25
Collecting Shards:
You need to purchase multiple packs to upgrade this hero.
Collecting Skin Shards:
You need to purchase packs to upgrade the skin shards.
Note: Geary is a very handy hero in general as it provides boosts in several
parts of your game.