The coming of the Heart of the Swarm expansion set gives the development team opportunities to address game balance in multiplayer StarCraft II in more over-arching ways than would be possible through patches. With the chance to add and remove units, Heart of the Swarm will allow the team to more effectively address race weaknesses, spice up certain stale matchups such as ZvZ or PvP, and address missed opportunities in existing units.

Terrans Issues and weaknesses Thor is ...