Final answer:
Judson Webb's downfall was caused by his arrogance, which is demonstrated in his belief that he always knows what's best for him. This leads to his decision to take a shortcut through the dark tunnel, resulting in his demise.
Step-by-step explanation:
Judson Webb's downfall can be attributed to his character trait of arrogance. This is evident in the story when he says, "I always know what's best for me." This arrogance leads him to make the important decision of taking the shortcut through the dark tunnel, which ultimately leads to his demise. His belief that he knows better than anyone else blinds him to the potential dangers, highlighting his downfall.
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