Paladin artificer? I never thought of that combo, does it work well?

Brilliant character concept. I can only assume you have gadget belt, and every device is branded with the holy symbol of your oath.

Bonus points if your oath is based around overcoming fear by adopting the aspects of the most feared one, who takes the form of a great bat.

A friend I play with in a different campaign has an artificer named "Tony Spark" and he slowly built him an Ironman suit. Dm knew what was going on, rest of his ground didn't.