Skip button in solo challenges

[FadedSentry]

(08-07-2015, 02:09 AM)CRIMSONKING Wrote: I'm lost. How are diamonds harder to get than AP? Can someone enlighten me on this? Even a cleared mine gives diamonds.

For people that are pre-Inferno, they get a lot more AP during leveling than Diamonds when they go to the next enemy. However after Inferno, Diamonds are just as easy if not easier to get.