Bring out the argument or main objective in the introduction first, then further develop in the main body, support it with evidence and wrap it up in the conclusion. It is also seen that an essay can be started with a shocking, unexpected or an amusing fact. But also make sure that the chosen fact has relevance with the topic else it will undermine the essay. Another way to start is by asking a question or opening it with a dramatic scene. When most of the students get perplexed, they look for essay help.