The Story of Sion
Sion was Noxus's greatest warrior in an age that predates the current empire — a berserker whose record of kills made him legendary and whose death in battle against Demacia's founder became the founding myth of a city-state's founding. He was buried with honors. He did not stay buried. The magic that Noxian necromancers eventually applied to him returned him to a form of life, and the Sion who returned is the Sion of legend: enormous, unkillable, driven by the rage that animated him in life now sustained by the magic that animates him in death.
He does not have a full relationship with consciousness. He is aware, in the specific way of something that is very old and not entirely intact, of being a weapon — a fact about himself that he experiences without the complicated feelings a living person might bring to it. He was a weapon in life. He is a weapon now. The continuity is, from his perspective, coherent. He is Noxus's weapon, pointed at Noxus's enemies, which is the same job he had before.
He fights with an axe that is as legendary as he is, and with the specific quality of something that cannot be tired and cannot be frightened because the things that produce tiredness and fear require a stake in what happens next. He has no stake. He is already dead. He crashes through battlefield lines with the momentum of the very large thing he is, and he does not stop, and enemies with the sense to notice this tend to be in a different part of the battlefield when he arrives.