The Wizard of Truth: Starting with Analyzing All Things

When Rowe transmigrates to the Wizarding World, his cheat ability isn't a system or stat allocation, but a blank "Book of Truth".
While others meditate to accumulate magical power, he analyzes the laws of all things and prints these laws into a book.
Analyze the [Flame] to gain the power of the "Emperor of Flames"; analyze the [Dragon] to forge a "Dragon Clan" contract; analyze the [Dream] to descend as the "Nightmare Lord".
When the gods awoke from their slumber and attempted to reap the world's harvest, they discovered a young human wizard sitting on their throne, smiling as he turned the pages of a book.
"Welcome to the world of my books."