Read Necromancer
Necromancer is a fantastic game that lets the player lead a journey to becoming as bad as they can be. It has some dead ends, but they fork for a while off of the "true" ending and are satisfying and varied. Events are consistent between branches.
In short, this is a long and addicting power trip with a few majorly different paths. The narration is good, the spelling and grammar don't get in the way, and this is one of my all-time favorite stories. The main story arc lasted over an hour; I spent between 2 and 3 to explore the game in its entirety. The game starts off with the character (Spoiler - click to show)making a major presence in the world, then goes on to a (Spoiler - click to show)political game of how the character will conquer the rest, after having released some infernal competing threats.