In Morrowind, every character was capable of dying, no matter whether or not or not it rendered the primary questline incompletable.
Skyrim takes a unique strategy to story-important NPCs than Morrowind did. These characters are marked as important for one purpose or one other, often because of their involvement in essential quests throughout Skyrim‘s main storylines, and consequently could be extra useful to have round, particularly at increased ranges.
Of the assorted followers that may be discovered all through Skyrim, solely a small variety of them are incapable of dying.