The quote from Peter S. Beagle's "The Last Unicorn" reflects a deep sense of struggle and contrast between newfound strength and overwhelming burdens. The speaker has finally attained a level of power they sought, yet they find themselves constrained by the weight of the world around them. This conveys a sense of irony, where the ability to effect change feels diminished by external challenges.

Furthermore, the mention of a friend, Lír, suggests a connection and perhaps differing perspectives on strength and capability. While the speaker feels heavy under the world's demands, Lír may see potential and hope. This dynamic illustrates the complexity of personal power and how it can be perceived variably by ourselves and others.