Simon Faiter. Heart of the Titan

Simon Faiter, the most powerful mage in the world, is transported to Tarinea, the city where magic originated, a city that vanished millennia ago. It turns out that this is far from a safe place, and Simon will fall into the hands of a very powerful wizard. Now, to escape alive, he needs to obtain the star heart of the titan, which contains more magic than any star. The only problem is that the titan is a huge fire-breathing dragon, and the heart can only be obtained by killing it….