Oblivion Walker

Oblivion Walker is an achievement / trophy in The Elder Scrolls V: Skyrim. To obtain it, 15 Daedric artifacts must be collected.

There are 16 Daedric artifacts total in Skyrim; the Skeleton Key is not required for this achievement / trophy.

Missable Daedric Artifacts
There are 5 Daedric artifacts that could be accidentally missed:
 * Masque of Clavicus Vile from the quest A Daedra's Best Friend. It is only obtained if Barbas is spared.
 * Mehrune's Razor from the quest Pieces of the Past. It is only obtained if Silus Vesuius is killed.
 * Skull of Corruption from the quest Waking Nightmare. It is only obtained if Erandur is killed.
 * Ring of Namira from the quest The Taste of Death. It is only obtained if Eola is cooperated with.
 * Volendrung from the quest The Cursed Tribe. It is only obtained if the Dragonborn does not attack any of the Orcs in Largashbur (unless out of self-defense).