well the difficulty setting value changed.
edit the
CODE
var mapDif = [
{n:"Normal",v:"1ch"},
{n:"Hard",v:"2ch"},
{n:"Nightmare",v:"3ch"},
{n:"Hell",v:"4ch"},
{n:"Nintendo",v:"5ch"},
{n:"IWBTH",v:"6ch"},
{n:"PFUDOR",v:"7ch"}
];
to
CODE
var mapDif = [
{n:"Normal",v:"1"},
{n:"Hard",v:"2"},
{n:"Nightmare",v:"3"},
{n:"Hell",v:"4"},
{n:"Nintendo",v:"5"},
{n:"IWBTH",v:"6"},
{n:"PFUDOR",v:"7"}
];
shoud make it work in Isekai, but will broke it in Persistent. But it should work in Persistent after the update come to Persistent