Complete the Hallow's End achievements listed below.

Criteria (all required)
     »  G.N.E.R.D. Rage
     »  Out With It
     »  The Savior of Hallow's End
     »  Trick or Treat!
     »  Check Your Head
     »  Sinister Calling
     »  Tricks and Treats of Azeroth
     »  That Sparkling Smile
     »  The Masquerade
     »  Bring Me The Head of... Oh Wait
     » Rotten Hallow: (any required)
          »  Rotten Hallow
          »  Rotten Hallow

Title reward
     » <name> the Hallowed

Criteria of (1)

Criteria of tree (2)

Category (16)