Pro tip : If you are leading a raid, you should use the classes together to help increase dps over all.
Disco priests can use a spell called Power Infusion
Rogue have a spell called Tricks of the Trade
Death knight have a spell called : Hysteria
All this spells can incease dps by 15% to 20% :D
Ill be uploading one everyday.!
Day 12/17/16