Trade talk:IOS Post/@comment-71.21.251.220-20130127204841/@comment-5933544-20130127205311

I believe people don't buy PP/ED/Traps with gems in the first place.

The reason why PP is more expensive is because there are two PP events (Raid/BR), but only one energy (Odyssey) event. Traps are worth like 10k coins since you get them every single time you clear a quest area... They aren't used as often as other loots from defeating quest bosses.