Nightcrawlers

Nightcrawlers can be purchased for from:
 * in Redridge Mountains
 * in Westfall
 * in Duskwood
 * in Swamp of Sorrows
 * in Stranglethorn Vale
 * in Stormwind City
 * in Wetlands
 * in Loch Modan
 * in Redridge Mountains
 * in Loch Modan
 * in Alterac Valley
 * in Hillsbrad Foothills
 * in Hillsbrad Foothills
 * in Hillsbrad Foothills
 * in Stranglethorn Vale
 * in Arathi Highlands
 * in Arathi Highlands
 * in Mulgore
 * in Wetlands
 * in Durotar
 * in Durotar
 * in The Barrens
 * in The Barrens
 * in The Barrens
 * in Tirisfal Glades
 * in Silverpine Forest
 * in The Barrens
 * in Winterspring
 * in Ashenvale
 * in Ashenvale
 * in Darkshore
 * in Teldrassil
 * in Teldrassil
 * in Tirisfal Glades
 * in Tirisfal Glades
 * in Tirisfal Glades
 * in Thousand Needles
 * in Dustwallow Marsh
 * in Dun Morogh
 * in Alterac Valley
 * in Dun Morogh
 * in Dun Morogh
 * in Stormwind City
 * in Durotar
 * in Mulgore
 * in Durotar
 * in Darkshore
 * in Feralas
 * in Feralas
 * in Feralas
 * in Mulgore
 * in Dun Morogh
 * in Westfall
 * in Desolace
 * in Teldrassil
 * in Winterspring
 * in Moonglade
 * in Desolace
 * in Desolace
 * in Stonetalon Mountains
 * in Desolace
 * in Eastern Plaguelands
 * in Azshara
 * in The Hinterlands
 * in Ashenvale
 * in The Hinterlands
 * in Silithus
 * in Ghostlands
 * in Silvermoon City
 * in The Exodar
 * in The Exodar
 * in Bloodmyst Isle
 * in Azuremyst Isle
 * in Azuremyst Isle
 * in Zangarmarsh
 * in Zangarmarsh
 * in Silvermoon City
 * in Ghostlands
 * in Bloodmyst Isle
 * in Zangarmarsh
 * in Shattrath City
 * in Shadowmoon Valley
 * in Blade's Edge Mountains
 * in Blade's Edge Mountains

This item can be looted from most level 19-60 undead monsters.

Engineering

 * Aquadynamic Fish Attractor