As has already been said, I think the most important thing is to figure out a policy for what to do when players can't show up. Make sure everyone agrees to it - and understands the situation that it's supposed to remedy.
IMO any character taking part in an adventure should be subject to the same risk of death as everyone else. There's more at stake than just XP - there are possible gains in items, information, prestige, etc. that all result from taking part in a quest. IMO these things should not be gained unless there is risk involved.
IMO any character taking part in an adventure should be subject to the same risk of death as everyone else. There's more at stake than just XP - there are possible gains in items, information, prestige, etc. that all result from taking part in a quest. IMO these things should not be gained unless there is risk involved.