Board Thread:General Discussion/@comment-44395806-20200203184157/@comment-38946466-20200203194908

Charges on locations and trophies expire after 48 hours. To my knowledge there is no limit on number of charges - but there is a limit on 300 friends (you can't visit more than 100...).

It makes sense to ask for a purple charge 48h before you plan to run Magi.

HTH 😘