Power Exchange is a Medal in Bug Fables. It takes 1 point away from an ally's defense and gives it to their attack.
Usage
It may be used on allies who attack often and are able to manage the loss in defense.
How to Acquire
There are 2 Power Exchange medals available. It can be found at the earliest right when Chapter 3 starts, in the Underground Tavern.
Underground Tavern
After defeating Heavy Drone B-33, this medal can be bought from Shades in the Underground Tavern for 5 crystal berries.
Honey Factory
Given by Malbee after completing the Helpers Needed at Once! quest, which becomes available when Chapter 5 starts.