Oblivion Walker is an achievement/trophy in The Elder Scrolls V: Skyrim
To get this achievement, you have to collect 15 Daedric artifacts[1]:
Azura - The Black Star OR Azura's Star
Boethiah - Ebony Mail
Hermaeus Mora - Oghma Infinium
Hircine - Saviors Hide OR Ring of Hircine
Malacath - Volendrung
Mephala - Ebony Blade
Meridia - Dawnbreaker
Molag Bal - Mace of Molog Bal
Peryite - Spellbreaker
Sanguine - Sanguine Rose
Sheogorath - Wabbajack
Clavius Vile - You need the Masque of Clavius Vile
Mehrunes Dagon - You need Mehrune's Razor
Namira - You need the Ring of Nimira
Vaermina - You need the Skull of Corruption
