This achievement is gained upon visiting all the zones in Gates of Discord.

The Abysmal Sea Traveler
 The Forgotten Halls Traveler
Natimbi, the Broken Shores Traveler
Qinimi, Court of Nihilia Traveler
Riwwi, Coliseum of Games Traveler
Ferubi, Forgotten Temple of Taelosia Traveler
Barindu, Hanging Gardens Traveler
 Sewers of Nihilia, Pool of Sludge Traveler
 Sewers of Nihilia, Lair of Trapped Ones Traveler
 Sewers of Nihilia, Purifying Plant Traveler
 Sewers of Nihilia, Emanating Crematory Traveler
 Tipt, Treacherous Crags Traveler
 Vxed, the Crumbling Caverns Traveler
Kod'Taz, Broken Trial Grounds Traveler
 Ikkinz, Chambers of Destruction Traveler
Yxtta, Pulpit of Exiles Traveler
 Uqua, the Ocean God Chantry Traveler
Qvic, Prayer Grounds of Calling Traveler
 Inktu'Ta, the Unmasked Chapel Traveler
Txevu, Lair of the Elite Traveler
 Tacvi, the Broken Temple Traveler

Rewards

• Player Flags: Increases Journeyman's Compass by 1
• Journeyman's Compass - If you don't have one