Charles can conjure G Warstaff, a cursed tool to which his innate cursed technique is directly tied. G Warstaff is a long spear with a pen-shaped tip. By drawing his opponent's blood into the pen's tip, Charles can fulfill the condition for "ink". After which, Charles can use the ink to mark his opponents with a manga panel. This panel is forward from the present, allowing Charles to peer into his target's very near future, starting with just one second*

I am going to be the best manga creator!