And if you have to many players and NPCs on you character sheet you can also use this extension to make it manageable: Combat Groups
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And if you have to many players and NPCs on you character sheet you can also use this extension to make it manageable: Combat Groups
Another option: try the "Request Rolls from Players" extension and then you can configure things (i.e. CON save, with advantage) and trigger it and the player will get the prompt to roll the save and you don't have to give away the details of the save (i.e. this is for poison).