I can only learn defensive skills?!

You can say that Jan is a very unlucky guy, he was just in the bathtub when the lightbulb suddenly sparked and he was electrecuted to his death. Now, he is in a suffocating white space. "Where am I?" A white-haired, floating woman suddenly appeared. If you read novels and stuff, you can probably guess that this is a Goddess "Welcome Hero! I implore you! To save my children, protect their world from the hands of the evil ones!" Great! What a cliché line to start a story.... Sigh... "What? Who are you? What's this place?" "Hero, you have died an untimely death, and since your soul is quite pure, you have been chosen as a Hero of the world that I created" What a cliché plot as well...