Lore teaches us that Allant is now but a feeble shadow of his former self. Having fallen to the ruse of the Old One who replaced him with a doppelganger, Allant has lost all resemblance to a human, both in aspect and ability (his non-anthropomorphic shape is a well chosen metaphor here) and can barely swing Soulbrandt, let alone put up a fight...
The ease with which he's dispatched just adds to his tragedy.
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