Recruit him at the Recruitment Bar once your Mansion is high enough. No shards needed.
Shards to recruit
None
Status
In game
Skills
Active: Dead Center
Hits the enemy with the lowest health for 100% of his Attack.
Passive
Speed +5%.
Specialty
Operations take 5% less time. (Works out in the city)
Harbor Kids: Both in the squad: operations are 5% faster.
Story
The Sold Boat
Yannis grew up in a fishing family from the old port. They sold their boat to pay a debt. He spent his teens knocking tin cans off the customs sheds at fifty paces. He kept the can with the biggest dent as a lucky charm. He never missed. He only ever fired a second too early.
Forty Seconds
The old hands of the Quay call him Hairtrigger. He has spent two years trying to fix that one second. Gravedigger offered him a deal. The old hands laughed, and he laughed with them until he did not. Stand perfectly still for a full minute, and he will teach patience. Yannis made it to forty seconds.
The Lamp on the Quay
One night a customs lamp swept the sheds. Yannis lay behind a crate and did not move. He counted his breaths. He did not get a medal. He got a cup of tea and a nod from the watchman. Fifty-eight seconds. The lamp went past, and so did the trouble.
One More Try
He has not yet reached sixty seconds. He has reached the habit of trying. You gave him a place to try again. The clock on the wall still hangs at fifty-eight. He is saving the last two seconds for later. He will not fire early for you. "Give me one more try. Just one."