If you go into the chat, and look at the banner up to, there's like 90 minutes (probably more like an hour and 15 mins at this point) left before they come up again.
Due to the fact that a bunch of fabled augs were unequippabe (or had their own aug slots), and that a bunch of Fabled (in Ssra, for instance) were spawning as 300hp hitting light blues and dropping 370hp/mana items (and were being trioed).