5E helps this by stating that a PC can decide the fate of someone reduced below zero HP, so its easy for a player to spare their victims… but what do they do when there’s someone who truly needs to die? The prohibition could be more specific: you can’t ever return to Sharn, ...
where everything falls away into an endless and all-consuming void. To move from one layer to another you must either employ spells of your own or find a portal that connects the two realms. Sometimes these are fairly obvious: a massive gate standing alone in the desert, a pit filled wit...