P.S. If possible, please also explain how to make it so that this quest is triggered when the hero enters a specific area.
Added 4 minutes later
Clarified: not with the game, but with the map
All maps can be opened in an archiver
Example
Good-1b(hard).h5m\Maps\SingleMissions\Good-1b(hard)
P.S. Where is the map.xdb file located (or do I need to open my own map)?