The Shattered Grove is a location in an unspecified realm. It is reached, during  Working for the Living, through a Broker Portal found at the Challenger's Promenade in Maldraxxus. Apart from mana rays, the area is mostly infested with devourers.
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
As it reuses the Aurinor map the Shattered Grove could in fact be Aurinor but at a later time then when it was a Invasion Point of the Burning Legion.