First decript to edit title_def_u.lua locate on /config inside script.pck
Second edit the title who you want to change graphic.
Example:
title_definition["6368"] = {id = 6368, note = "^9800cdUltra", addon_desc1 = "^e3e3e3Dano Crítico + 5% Defesa Crítica + 5%", desc = "^ffcb4aResistente como...