First I want to thank you for being very clear in your question, I really, do appreciate it!!
Porphyrion spawns on the tenth floor of Upper Delkfutt's Tower in the big room at H/I- 7/8. Not to hard to kill if you are 75 or above. Link below for all info about this NM. Skyfiredancer (talk) 15:43, August 1, 2015 (UTC)