Had this account for a while so I might be misremenbering and Google doesn't reveal much but I could've sworn he was unlocked by default until very recently.

I have 70 Radianite and it says it can be used to upgrade skins but also something else, what else can I do with it, as cool as the skins are I don't have a desire to spend money on the game at this moment in time. So is this Radianite just...