Sense of to exist, be present is attested from c.1300. Meaning to pay for as a treat is from 1821. Phrase stands to reason (1620) is from earlier stands (is constant) with reason. Phrase stand pat is originally from poker (1882); stand down in.
In Expert Mode, Wall of Flesh is seen to be significantly faster than his prior speed, posing map navigating harder as the players are demanded to plan out their routes fasters. In addition, getting pulled by his tongue will inflict additional damage to the player, possibly killing a weakened player.
Huntermanx, you can still participate in old-content (such as level 60) raids when you're a higher level than they were intended for. Unless there is a guild on your server which has 40 active level 60 characters, then you won't be able to do it in the old-fashioned way.