You have a long history in the mechanical sciences, having either designed or directly built great feats of engineering. Your occupation in particular involved the makings of mechanical and magical weapons. You've mastered the inner workings of such devices and obsess over designing and inventing new weaponry, not for the profit, but for the thrill of the process. 

Skill Proficiencies: You are proficient in Investigation and one of the following: History, Arcana or Perception.

Tool Proficiencies: You have proficiency in Tinker's Tools and an artisan tool of your choice.

Languages: Any one of your choice

Equipment: Common clothes, Tinker's tools or one type of artisan's tools you are proficient with, 1D4 books on Engineering, small pouch containing 15 gold.

Suggested Characteristics

You have a long history in the mechanical sciences, having either designed or directly built great feats of engineering. Perhaps you imagined giant war machines and put them to paper. Perhaps you spent your hours riveting girders to construct the frames of Airships. Perhaps you worked in a repair shop, patching up customers' broken and battered electronic do-dads and whats-its. 

d8	Personality Trait
1	When I see a scrap of metal or wood, I can't help but pocket it.
2	I don't talk a lot, because I become engrossed in my thoughts.
3	I can't help myself around complex objects, I just want to find out how they work.
4	Most of the words I say sound like complete gibberish to those who know nothing about science.
5	I'm constantly sketching or taking notes about my surroundings.
6	"If I elevate my crossbow by 3° then the bolt should.. sorry? Just shoot the damned Orc?"
7	Everything, no matter how small or insignificant, must be catalogued.
8	When excited I tend to start speaking faster, and tend to get a bit jittery.

d6	Ideal
1	Organization. Everything has it's place and everything should be in it's place. (Lawful)
2	People. All of my inventions are made to help people who can't help themselves. (Good)
3	Freedom. I invent what I want, whether my inventions are legal or not. (Chaotic)
4	Greed. Everything I make I sell, I don't care who it hurts. (Evil)
5	Community. I invent to help myself, my friends, and my family, and other people can do the same if they want inventions. (Neutral)
6	Safety. I build so that harm may not come to myself and those I care about. (Any)

d6	Bond
1	I once made a child very happy with an invention, I wish to do so again.
2	My inventions are like family to me, so I protect them as best I can.
3	I seek to blend technology with magic, and create perfect harmony.
4	My old workshop is now in ruins due to an accident, I will never make that mistake again.
5	Anytime someone is hesitant or scared of my inventions I try to make them feel comfortable around them.
6	All the profits i make from selling my inventions go to my old masters back home.

d6	Flaw
1	I enjoy my more dangerous inventions a little too much.
2	Gold is the only thing that motivates me.
3	The best inventions are the ones that harm others.
4	I always over analyse any and all situations.
5	Explosions are adorable.
6	One of my inventions horribly mangled someone influential, and they hunt me to this day.