Orcs
Orcs are Aurelion's great taxonomic paradox: living flesh classified as undead because personal Time has been replaced by the repeating surrogate of dwarven cores, war, duty and inherited violence.
War in Place of Time
An orc can breathe, eat, bleed, march, remember an insult and keep an oath, yet the Great Cycle classifies orcs as undead. The reason is not corpse biology. It is Time. The canonical table says that the body remains alive while personal Time has been replaced by a surrogate: dwarven core, machine inertia, war and repeated violence. Memory survives only partially and tends to be traumatic; Function is imposed; Will does not open into the same free interval available to humans. Soul, once possible, is described as lost at the moment of temporal substitution.
Even their origin is recorded in two scales. The race-origin survey calls orcs children of distorted energy from destroyed dwarven machines - large, direct, and already marked by a code of honor. The later taxonomy speaks more intimately of humans whose Time was replaced through dwarven cores. Both accounts place the catastrophe of Structure at the center, but one sounds like species formation and the other like transformation. The source does not tell us whether they describe successive stages, separate traditions or the same event seen from different archives.
The striking part is what happens after the supposed loss of Will. Orc societies build duty. The philosophical chapter on the Will of Errors calls them the 'discipline of chaos' and notes that human chroniclers name them an error of war even though their communities can be more cohesive than human ones. Honor, clan and service create a stable moral architecture around a cycle the formal table calls imposed. This produces one of Aurelion's sharpest contradictions: if an orc consciously serves kin and people, is that merely Function repeating itself, or is service itself a form of Will that the human taxonomy refuses to recognize? Canon does not settle the argument.
The western steppes give that argument a culture. Orcs and goblins move under the Red Wind, an idol of war, fire and plunder interpreted by Windcallers as command. Orcs supply the heavy force; goblins supply numbers, cunning and machines. The Green War expelled both peoples from the valleys of Velmir, but did not end their pressure on the frontier. Human songs joke that the alliance can never conquer a kingdom because the orc is too proud to obey the goblin and the goblin too clever to obey the orc. The joke is also strategy: their inability to centralize is one of the things keeping a potentially overwhelming host from becoming a state-sized weapon.