Charlie Kane:
Unique Ability: Connections - Any Phase: Charlie may gain Allies that have been returned to the box.
What is the difference between "returned to the box" and "discarded." Because if there is no difference then his unique ability is very broken.
Many ally cards allow you to discard them for an effect. For instance Duke allows "Discard to immediately restore your Sanity to its maximum." So you can discard him, get your sanity back and then during the next phase gain Duke from the box again.
There are others that are even worse. For instance if we use Basil Elton you are allowed to "Discard to cancel the Ancient One's entire attack for one turn." This would make defeating any GOO simple since you could just gain him back during the upkeep phase before the next attack.
So obviously "discard" and "return to box" have to be two separate things but I cant find a clarification in the rules.
Still when Charlie comes up against Atlach-Nacha he still defeats him easily as long as he has one allie because Atlach-Nacha specifically states:
"The Investigators must, as a group, choose one Ally in play or one investigator. If an Ally is chosen, it is returned to the box. If an investigator is chosen, that investigator is devoured."
What is to stop Charlie from sacrificing his ally and then gaining it back the next upkeep phase?
). Whenever he is instructed to gain an Ally, then he can gain an Ally that has been returned to the box. Return to box is normally out of the game, discarded is bottom of the Ally deck.