Researcher's Shadowgraft
Source: Drop. 60 minutes duration for a 60 minutes cooldown, but it does not persist through death.
The 
Researcher's Shadowgraft is a toy dropped from the Forgotten Researcher's Cache, found inside an underground cave in the Voidstorm zone in Midnight.
Guide awaiting review
Enter the Voidstorm Cave
Head to the lair entrance at 47.99, 78.45 in Voidstorm to find the underground cave containing the Forgotten Researcher's Cache.
Defeat the Cave Mob
Inside the cave, fight the mob guarding the cache — avoid its ground area-of-effect attacks, handle its special attack, and jump when required to survive the encounter.
Loot the Researcher's Cache
Open the Forgotten Researcher's Cache at 46.92, 79.89 in Voidstorm to obtain the Researcher's Shadowgraft.
Tips
The Shadowgrafted buff lasts 60 minutes but shares the same 60-minute cooldown and does not persist through death.
