Code:
<STANDARD_SCENARIO
QL="0"
title="Quest Mansion QL0"
DC="1"
mapset="Mansion"
XP="200"
BP="25">
From what I can tell(this is in theory), you can change mapset to "Prison"/"Dungeon" to get the wanted results. In your System/scenario.xml you should be able to tell a little bit more.
Code:
<MAPSET id="3" title="Dungeon">
<SECTOR id="301"
title="Dungeon_nest1"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_passage3" />
</LINK>
</SECTOR>
<SECTOR id="302"
title="Dungeon_passage3"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_passage1" />
</LINK>
</SECTOR>
<SECTOR id="303"
title="Dungeon_passage1"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_cavern2" />
</LINK>
</SECTOR>
<SECTOR id="304"
title="Dungeon_cavern2"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_cavern1" />
</LINK>
</SECTOR>
<SECTOR id="305"
title="Dungeon_cavern1"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_cavern3" />
</LINK>
</SECTOR>
<SECTOR id="306"
title="Dungeon_cavern3"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_nest3" />
</LINK>
</SECTOR>
<SECTOR id="307"
title="Dungeon_nest3"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_passage2" />
</LINK>
</SECTOR>
<SECTOR id="308"
title="Dungeon_passage2"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_nest2" />
</LINK>
</SECTOR>
<SECTOR id="309"
title="Dungeon_nest2"
melee_spawn="15"
range_spawn="15">
<LINK>
<TARGET sector="Dungeon_nest1" />
</LINK>
</SECTOR>
</MAPSET>
Then in System/questmap.xml you need to add the new mapset as shown above.
You should look at all the files in your system.mrs fully as they can provide you with templates to make new things.