Hi, I'm trying to make an NPC appear inside player's home (Proudspire) with the following conditions:

- all the upgrades have been purchased;
- there is 50 per cent chance of the NPC appearing inside and triggering the scene once the player enters the house - I believe this can be solved by attaching a script with OnActivate() event on the door, however I have no clue how to condition this event to occur only when the house is fully decorated, and with a 50% chance. I would appreciate any clues.

Start with the NPC disabled.

When all the upgrades have been purchased, enable the NPC. The AI package tells the NPC where to be and when.

OnActivate on the door? You mean when the player activates the door? I would probably make a trigger zone inside instead that check if the NPC should enable or not.

You can use the http://www.creationkit.com/Story_Manager change location event--conditioned with new location is Proudspire, GetRandomPercent > 50, plus whatever is needed to detect if all the upgrades are purchased (probably a quest stage?), you can then start a quest that moves your NPC to Proudspire's interior when the player enters.

Thanks for these suggestions. I guess it's time for me to start learning Story Manager.