[video=youtube;Hu53D52LslY]https://www.youtube.com/watch?v=Hu53D52LslY[/video]
According to some recent hotfixes (can be found here) (http://us.battle.net/wow/en/blog/18486735?page=1#1) it seems that they have nerfed blackhand a bit in P2:
Blackhand
- [Requires a realm restart.] Slag Bombs' explosion now damages players in a 6 yard radius (down from 10 yards) on Normal and Heroic difficulties.
- Incendiary Shot's damage has been reduced by 25% on Normal, Heroic, and Mythic difficulties.
- Blackhand's Shattering Smash now deals 25% less damage during Stage Two on Normal, Heroic, and Mythic difficulties.
Defeated! Finally got got him down last night and before the next patch as well good job! (just) Here is the logs from last night as well: http://www.worldoflogs.com/reports/k6mcny3ve9ygpl33/dashboard/?s=3587&e=4009
Grats all!