In Storm kings thunder, there is a part where
the PCs are in Zephyros' (a cloud giant) tower and some howling hatred cultists come and visit asking for his help.
One of the people has a "smiling bag" which is actually a bag of holding that contains an Invisible Stalker.
What I'm trying to figure out is how the Invisible Stalker's summoning and command mechanics work. In the encounter, during the cultists' first turn of combat he "releases the stalker and commands it to attack the cult's enemies"
Now, if the person holding the bag (who we assume is the one who summoned the stalker) was unable to command it, would the stalker simply be inert since it has no given commands? The page on invisible stalkers says the following-
Directed Hunter When an invisible stalker is created, it stays at its summoner's side until it is given a task to perform.
So if it had no task, would it simply not do anything? I know that if the summoner died AFTER the command was given, the stalker would still carry out the command but I'm very uncertain about what happens if no command is given but the stalker is released from the bag - could someone other than the summoner give the stalker commands?
Also since the bag containing the stalker is a bag of holding, if the bag were pierced or destroyed in someway, would the stalker die? Or would it just pop out of the bag? Do the mechanics of a bag of holding allow things inside to push outwards, making it visible (from outside) that something is in the bag?