Chapters 55-58 seemed to me to contained very little content. At least not much that was fun/interesting. What content they had was superfluous and repetitive. The only real obstacle for Harry were the Dementors*, and he seemed to defeat them trivially. At the end of Ch. 54, suspense was high, but (at least from my perspective) it really fizzled out.
The reason being?
Chapters 55-58 seemed to me to contained very little content. At least not much that was fun/interesting. What content they had was superfluous and repetitive. The only real obstacle for Harry were the Dementors*, and he seemed to defeat them trivially. At the end of Ch. 54, suspense was high, but (at least from my perspective) it really fizzled out.