Death knight lore.

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What are these from, anyway?

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Random world I've made up.

-The necromancer sets to work preparing the corpse, binding it with a spell of undeath that causes it to get progressively stronger the more grief and sorrow it causes, as well as more inhuman, essentially turning it into a sorrow based leech. This will have the additional effect of allowing the knight to feed off of his own grief, creating a sort of never-ending loop past a certain point that makes him stronger and stronger over time, much like the dread lords of old.

Also a bit of explanation as to why Osvin's death knights had sorrow loops.

Do note this was a plot point, and is written as such.

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Been a bit busy and kinda dead, so what have I missed plot wise?

Also @souleaterfan320 roleplayerguild.com/posts/5135488

Oh really? My bad

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Its not an issue, so long as that is something feasible for your character, with his current skillset.