Should I Delete my 120 Knight of Cygnus since I have a 120 Mihile?

If you don't need the slot for a new character any time in the near future, I'd say hold on to the Cygnus Knight because they might eventually add something to get people to make new ones again. Like a level 120 Link Skill or something of the sort.

Sounds ridiculous, but then again, so did Mihile.