<span>The effect of envisioning “aged years” as needing a staff in these lines from the passage "It evokes the comfort that the elderly feel knowing that a younger generation will replace them." It made the reader feel of the importance of why the young ones were born into this world, that they have a purpose, and that the elderly are happy to know that the world would not be lonely without them.</span>
I believe The dream is a warning, but also Grendel is saying that he and Hrothgar are connected. Grendel thinks that religion is pointless/meaningless and that it just follows a bunch motions.
