Board Thread:Off Topic/@comment-25396609-20160502222905/@comment-25396609-20160527022242

Rost has something like that; Scribe, allows him to create ink from his aura. Doesn't do much o its own, but when combined with dust he can create extremely complex multi-stage spells, layering dust together and triggering it in a specific sequence.

The semblance itself is not much better than having a pen and ink, but with it he can do some impressive shit using dust; things he can only do because he is highly intelligent and understands the applications of dust so fluently.