Part 6 - Endgame
Before going outside from R1 when the player has the talisman:
say "Blah blah blah you can never return here and now you are slowly leaking sanity.";
remove the portal from play;
move the player to R1 instead.
Every turn when the player has the talisman and the player is not in Between Worlds:
if the player is in the Blight or the player is in a shrine room:
now the cattunement of the player is the cattunement of the player - 1;
DM "Current attunement: [cattunement of the player] out of [rattunement of the player].";
otherwise if the player is in the Exile:
now the chealth of the player is the chealth of the player - 1;
DM "Current health: [chealth of the player] out of [rhealth of the player]."