Don't know yet. Should probably ask someone from the f2p server for that.
Also imo the glyph upgrades for legy to fabled aren't worth it. You get like 2 vigor and 1 stamina or vice versa per glyph and you spend around 5k gold so do that only if you don't have anything better to do.
There's an upgrade from fabled 55 to fabled 56 later on, is the difference there similar?