Trading Post skins
Or you can look at it as the skin comes with a set of transmutation charges as a bundle deal. And it’s not like charges don’t drop as rewards.
We are heroes. This is what we do!
RIP City of Heroes
RIP City of Heroes
If you need more charges, map complete. Not only does map completion have a chance of awarding transmutation charges, but if you make new characters and map complete towns, you’re guaranteed to get them.