Heroes of the Storm for ninjas and lucky SGers

This simple puzzle has two Godankey links as a result - first is "first come first served" sort of giveaway and the second puts you in a pool to be randomly given away. Both giveaways contain 20 beta keys each.

Keys are for EU server only! (sorry American and Asian friends)

Question 1
Which hero did Tyrande kill in this video?

a dwarf with a hammer


Question 2
I got ganked only once in this video. Which sword-wielding hero managed to get a last hit on me?

at 16:55