WotLK Is 6k dps on dummy too low for unholy dk? If i get shadowmourne will it improve?

[voider999]

first of all, my dk's armory: https://armory.warmane.com/character...ecrown/summary
When in the beginning of the burst period, my dps on dummy could reach 7.2-7.3k, However, when proc to stable dps period, the dps starts to drop quickly to 6.2-6.3k.
My rotation generally follows the normal udk's- it and ps to keep three diseases, then bs-ss-dc-bs- and so on.
Is my rotation or stats getting something wrong? Or maybe get shadowmourne could improve my dps a lot?

[angrylol]

Yes, you can buy SM to improve dps on a training dummy. With that improved 6.3-6,4k you would be in top 10 of training dummy ranking list.