Would love to get help with my rotation

[Kotaso 7]

Hey, so im playing an Unholy DK and im confused what im doing wrong.. i think my stats are fine and i could make more damage than i do right now.

My Armory : http://eu.battle.net/wow/de/character/blackmoore/Kotaso/simple

I put logs from our last raid here so if anyone could check them and help me out, that would be pretty nice!

https://www.warcraftlogs.com/reports/gAVTbwHrqx92LWmk#boss=-2

 

regards

Edited October 6, 2016 by Kotaso