These are elven /adventurers/, so they get sleep resistance at
experience level 4 (not immediately), and so there's an outside
chance they'll be killed by a sleeping gas trap. This commit
reduces the probability, though.
case 0:
/* elf corpses are the rarest as they're the most useful */
victim_mnum = PM_ELF;
+ /* elven adventurers get sleep resistance early; so don't
+ generate elf corpses on sleeping gas traps unless a)
+ we're on dlvl 2 (1 is impossible) and b) we pass a coin
+ flip */
+ if (kind == SLP_GAS_TRAP && !(lvl <= 2 && rn2(2)))
+ victim_mnum = PM_HUMAN;
break;
case 1: case 2:
victim_mnum = PM_DWARF;