FanofBabes replied at 2015-10-17 12:06
Its probably your level too high or you are close to end of your current level.
Once you reach the ...
no it isn't
i recall when my line up still 3 heroes and half bar exp to level up my crusade against 4 heroes
and it is the same when my line up still 4 heroes with almost level up the crusade against 5 heroes
another things is at low level how can should battle against the hero which can be obtained at high level