Mostly a utility common that should be used for its Forceful Attack ability.
This ability is the major way you have to threaten opponent summoners and champions. Your gates, thanks to Slagborn Fighters in combination with the multiple tricks, are a threat that makes it very unsafe in many positions. Champions, especially melee ones, may be scary to play against this faction for that reason.
However this is still a utility unit, and your main attacking force should be composed of Wolfsbane Brutes and Shale Slingers.
Yes, with the help of Sunderved this can be your cheapest damage as a 3 strength melee common that only costs 1. So sometimes you just want damage and then the fighter is a very cheap and efficient way to get that damage on board.