[quote=@Dynamics]
<Snipped quote by Disdain>

I hate you so much. How much is required?
[/quote]

Just a dab—but it has to be enough to give the sword [i]personality[/i]. A blotch of radiating rainbow paint on the tip would do, or a couple of crisscrossing flairs. Hire a minimalist artist to do it if you want it really inconspicuous.