Lost Netherpup
Source: Vendor. Rumor has it that some beasts that were touched by the void exist in a space between this world and the next. Beast type. This is one of the first Beast pets with a viable* Undead ability: Shadow Shock This means that you definitely want it when countering the Humanoids.
The 
Lost Netherpup is a cageable Beast pet sold by Garrison vendors during the Warlords of Draenor expansion for 
200 Shiny Pet Charms.
Guide awaiting review
Locate Your Garrison Vendor
Visit Tiffy Trapspring if you are Alliance, or Giada Goldleash if you are Horde — both are expert pet trappers found in your Garrison's pet menagerie.
Purchase the Lost Netherpup
Buy the Lost Netherpup directly from the vendor for 200 Shiny Pet Charms. Because it is cageable, it is also available from other players on the Auction House.
