God, I love the talent trees in World of Warcraft.
>Rank 1: Fireball does 1% more damage
>Rank 2: Fireball does 2% more damage
>Rank 3: Fireball does 2.5% more damage
>Rank 4: Fireball does 3% more damage
>Rank 5: Fireball has a chance to make fart noise when cast