EdumacationMost, if not all characters in a story appear to have no formal schooling, yet are capable of reading, writing, and complicated monologues about their troubled past.
OTC-rezzing People are able to be resurrected by inexpensive, over the counter medicine, or by magic.
Bearing ArmsWeapon shops are perfectly ok with the idea of selling large amounts of weapons and armor to anyone willing to pay, even children.
Not-so-secret stash One can find treasure chests sitting out in the open, often unlocked.
Monster EconomyEnemies, including monsters, seem to carry human currency around, and drop it after you kill them, yet the no one else seems to be cashing in on this.
JustifiedThe more evil someone appears to be, the more likely you can kill them and not get so much as a peep from the local guards about it.
Looks MatterThe more attractive the character is, the more likely he/she is important to the story.
Some men just want to watch the world burnGeneric bad guy uses generic powers to destroy the world, (probably due to being too generic.)
Chug a cold oneAbility to drink potions during battle, while wounded, while fighting off the enemy, and not throwing up after 5-6 of them.
Old Man & MountainOld men living alone on a mountain always know more than you, always.
Increasing difficultyEnemies always arrive to face you in order of lowest to highest power level.