A main theme of this story is the importance of bravery.
The little red tortoise was going to sacrifice himself to save his people. Because he was willing to sacrifice himself, he ended up killing the Oubaas Giraffe and became a hero, even to the Young Ones who initially dismissed him.
Almost. An adverb is something that modifies the verb (or action). The verb in the sentence would be completed, and the word that slightly modifies it is “almost.”