Why not cast a spell.

You sigh and your tongue sticks out as if on its own. This gets you thinking as you give your tongue stud a little suck. “I should totally cast the spell.” Not really sure how exactly to do it you sit down, legs crossed, arms resting on your knees, palms up, and close your eyes trying to focus on the spell. What follows is a flood of information that you instinctively follow along with as the magic latches onto your tongue stud and fills it. The spell then sort of asks you what type of enhancement you wish. You seem to have a choice between several and it almost seems like some kind of video game logic, but perhaps that is just your minds way of making sense of it all. You can boost your physical strength, agility, or stamina, your mental ability, willpower, charisma, or appearance, or in addition to those you can increase your defense with something similar to a weak **** field, or finally there are two tongue specific options, both of which require several hours to recharge, either breathe out a gout of fire, or choose a target and speak a single word of command that they must follow unless they resist the effect.

Charging the piercing seems to require an out 20% of your magic pool, as you have decided to envision it, but once created it seems the effect will remain for weeks unless the magic is somehow dispelled, you also feel if you get more piercings or tattoos you can currently have up to six active at once, more if you were more powerful. You concentrate and build the magic up and finally decide on...