She’s a machine, she’s laser beam. Overkill is always the right term to use for her. She deals with high damage but she is very vulnerable, meaning she loads up the bolts for the next shoot takes a long time. Meanwhile, the enemy will easily hit the sparky. So, whenever you play sparky make sure to build her a solid protection which is out of enemy’s range. She meant to attack from the distance; be smart in positioning your sparky.