Quote Originally Posted by Gronk877 View Post
Hey boss what do you mean 5 hearts? Is this a boss drop and can they drop off of standard? (20AP) battle? I cant do the 30 AP one yet.
Standard 20AP battle drops gold chests which contain event hearts. You need 5 hearts and some other mats for the first tier of Apocalypse exchange. If you didn't get any hearts yet then maybe you're just unlucky so far.