Blizzard has announced that Mythic Rashok will be nerfed on the Weekly reset reducing the damage of his abilities.
Hello raiders,With weekly maintenance next week, we’ll be making the following changes to Mythic Rashok, the Elder in the Aberrus, the Shadowed Crucible raid:
Rashok, the Elder
Searing Slam base damage reduced by 6.5% in Mythic difficulty.
Overcharged damage reduced by 10% in Mythic difficulty.
Conduit Flare damage reduced by 12% in Mythic difficulty.