Complex sentence: A disgruntled Konohamaru asks why he could defeat Ebisu, as Naruto gives some final advice, he tells Konohamaru that becoming Hokage won't be so easy; there will be a lot of unpleasant things that will come and battles that he'll have to fight.
Split into simpler sentences: A disgruntled Konohamaru is why he could defeat Ebisu, as Naruto gives some final advice. He tells Konohamaru that becoming Hokage won't be so easy; there will be a lot of unpleasant things that will come and battles that he'll have to fight.