attention: *spoiler* after 1:00
Catser: BlitzShouter(Crota) Language: English
https://www.youtube.com/watch?v=VwkUrEZbIJs&feature=feedu
First Concept Art [HQ] (720)
https://www.youtube.com/watch?v=C4ZrD9RgpgQ&feature=related
Heart of the Swarm Gameplay Trailer [HD] (720)
https://www.youtube.com/watch?v=UGlLkCY2eg0&feature=iv&annotation_id=annotation_81282