the Hallowed

The title The Hallowed is attainable as of Patch 3.0.2.

The title will appear after the character's name, like this:

<Name> the Hallowed

It is obtained by completing the achievement  [Hallowed Be Thy Name], which can be completed during the Hallow's End event by completing the following achievements:

#	Title	Description	Achievement Points
1	Bring Me The Head of... Oh Wait	Kill the  Headless Horseman.	10
2	Check Your Head	Use [Weighted Jack-o'-Lanterns] to put pumpkin heads on each of the races listed below. Gnome, Blood Elf, Draenei, Dwarf, Human, Night Elf, Orc, Tauren, Troll and Undead	10
3	G.N.E.R.D. Rage	Earn 50 honorable kills while under the influence of the [G.N.E.R.D.S.] buff. It's a slap in the face!	10
4	Out With It	Eat so many tricky treats that you get an upset tummy.	10
5	Rotten Hollow	Ruin Hallow's End for the Horde by completing  Sergeant Hartman's quests which involve crashing the  [70] Crashing the Wickerman Festival and cleaning up the  [60P] The Power of Pine from Southshore.	10
6	Rotten Hallow	Ruin Hallow's End for the Alliance by completing  Darkcaller Yanka's quests which involve going to Southshore,  [80P] Ruined Kegs with  [80P] Rotten Eggs and tossing  [60P] Stinking Up Southshore into the town.	10
7	Sinister Calling	Obtain a [Sinister Squashling] pet and [Hallowed Helm].	10
8	That Sparkling Smile	Show off your sparkling smile by using a [tooth pick].	10
9	The Mask Task	Obtain a  [Flimsy Mask] during Hallow's End. (You need 1 out of 20) Female Masks [Flimsy Female Blood Elf Mask] [Flimsy Female Draenei Mask] [Flimsy Female Dwarf Mask] [Flimsy Female Gnome Mask] [Flimsy Female Human Mask] Female Masks [Flimsy Female Night Elf Mask] [Flimsy Female Orc Mask] [Flimsy Female Tauren Mask] [Flimsy Female Troll Mask] [Flimsy Female Undead Mask] Male Masks [Flimsy Male Blood Elf Mask] [Flimsy Male Draenei Mask] [Flimsy Male Dwarf Mask] [Flimsy Male Gnome Mask] [Flimsy Male Human Mask] Male Masks [Flimsy Male Night Elf Mask] [Flimsy Male Orc Mask] [Flimsy Male Tauren Mask] [Flimsy Male Troll Mask] [Flimsy Male Undead Mask]	10
10	The Masquerade	Get Transformed by all of the Hallowed Wands. [Bat Costume], [Ghost Costume], [Leper Gnome Costume], [Ninja Costume], [Pirate Costume], [Skeleton Costume] and [Wisp Costume]	10
11	The Savior of Hallow's End	Complete one of the quests to save a village from the Headless Horseman. (Need 1 out of 4)  [85 Daily] "Let the Fires Come!",  [85 Daily] Stop the Fires!,  [85 Daily] "Let the Fires Come!" or  [85 Daily] Stop the Fires!	10
12	Trick or Treat!	Receive a [handful of candy] from one of the [candy buckets] located in an inn.	10
13	Tricks and Treats of Azeroth	Complete the Tricks and Treats of Eastern Kingdoms, Tricks and Treats of Kalimdor and Tricks and Treats of Outland achievements.	20
14	Tricks and Treats of Azeroth	Complete the Tricks and Treats of Eastern Kingdoms, Tricks and Treats of Kalimdor and Tricks and Treats of Outland achievements.	20
15	Tricks and Treats of Eastern Kingdoms	Visit the candy buckets in each of these Eastern Kingdoms inns. Kharanos in Dun Morogh Darkshire in Duskwood Goldshire in Elwynn Forest Southshore in Hillsbrad Foothills Aerie Peak in Hinterlands The Commons in Ironforge Thelsamar in Loch Modan Lakeshire in Redridge Mountains The Trade District in Stormwind Sentinel Hill in Westfall Menethil Harbor in Wetlands Light's Hope Chapel in Eastern Plaguelands Booty Bay in Stranglethorn Vale	10
16	Tricks and Treats of Eastern Kingdoms	Visit the candy buckets in each of these Eastern Kingdoms inns. Light's Hope Chapel in Eastern Plaguelands Booty Bay in Stranglethorn Vale Hammerfall in Arathi Highlands Kargath in Badlands Fairbreeze Village in Eversong Woods Falconwing Square in Eversong Woods Tranquillien in Ghostlands Tarren Mill in Hillsbrad Foothills Revantusk Village in Hinterlands The Bazaar in Silvermoon The Royal Exchange in Silvermoon The Sepulcher in Silverpine Forest Grom'gol Base Camp in Stranglethorn Vale Stonard in Swamp of Sorrows Brill in Tirisfal Glades The Trade Quarter in Undercity	10
17	Tricks and Treats of Kalimdor	Visit the candy buckets in each of these Kalimdor inns. Astranaar in Ashenvale Azure Watch in Azuremyst Isle Blood Watch in Bloodmyst Isle Auberdine in Darkshore Craftsmen's Terrace in Darnassus Nijel's Point in Desolace Theramore Isle in Dustwallow Marsh Seat of the Naaru in Exodar Feathermoon Stronghold in Feralas Stonetalon Peak in Stonetalon Mountains Dolanaar in Teldrassil Ratchet in Barrens Mudsprocket in Dustwallow Marsh Cenarion Hold in Silithus Gadgetzan in Tanaris Everlook in Winterspring	10
18	Tricks and Treats of Kalimdor	Visit the candy buckets in each of these Kalimdor inns. Ratchet in Barrens Mudsprocket in Dustwallow Marsh Cenarion Hold in Silithus Gadgetzan in Tanaris Everlook in Winterspring Splintertree Post in Ashenvale Camp Taurajo in Barrens The Crossroads in Barrens Shadowprey Village in Desolace Razor Hill in Durotar Brackenwall Village in Dustwallow Marsh Camp Mojache in Feralas Bloodhoof Village in Mulgore Valley of Strength in Orgrimmar Sun Rock Retreat in Stonetalon Mountains Lower Rise in Thunder Bluff Freewind Post in Thousand Needles	10
19	Tricks and Treats of Outland	Visit the candy buckets in each of these Outland inns. Sylvanaar in Blade's Edge Mountains Toshley's Station in Blade's Edge Mountains Honor Hold in Hellfire Peninsula Temple of Telhamat in Hellfire Peninsula Telaar in Nagrand Wildhammer Stronghold in Shadowmoon Valley Allerian Stronghold in Terokkar Forest Orebor Harborage in Zangarmarsh Telredor in Zangarmarsh Evergrove in Blade's Edge Mountains Area 52 in Netherstorm The Stormspire in Netherstorm Shattrath City in Terokkar Forest Cenarion Refuge in Zangarmarsh Scryer or Aldor inn in Shadowmoon Valley	10
20	Tricks and Treats of Outland	Visit the candy buckets in each of these Outland inns. Mok'Nathal Village in Blade's Edge Mountains Thunderlord Stronghold in Blade's Edge Mountains Falcon Watch in Hellfire Peninsula Garadar in Nagrand Thrallmar in Hellfire Peninsula Shadowmoon Village in Shadowmoon Valley Stonebreaker Hold in Terokkar Forest Zabra'jin in Zangarmarsh Evergrove in Blade's Edge Mountains Area 52 in Netherstorm The Stormspire in Netherstorm Shattrath City in Terokkar Forest Cenarion Refuge in Zangarmarsh Scryer or Aldor inn in Shadowmoon Valley	10