But there was one thing that was worse. I discovered that the dragon had put a charm on me: No weapon could cut
me. I could walk up to the hall whenever I pleased, and
they were powerless. My heart became darker because of
that. Though I scorned them, sometimes hated them, there
had been something between myself and men when we
could fight. Now, invulnerable, I was as solitary as one live
tree in a vast landscape of coal.
Which common literary theme is best illustrated by this passage?

Time is not always change. time can also mean continuity, and it can mean keeping acknowledged truths in mind despite differences in circumstances.there is no better example of this in things fall apart than the retellings of the proverb about the bird named eneke, the language in both retellings is almost identical despite the length of time that has passed between their repetitions. in comparing the usages of the same proverb, achebe allows his readers to note the similarities and differences between the situations, and he them understand how this story can be applied to their own lives.