To downgrade from Ultimate ironman to hardcore or to regular iron. You need to go chat with the guys in Lumbridge Adam Juan or Paul should be somewhere around the castle. They'll be able to toggle you to the different tiers of ironman.
When the day becomes the night and the sky becomes the sea, when the clock strikes heavy and there’s no time for tea; and in our darkest hour, before my final rhyme, she will come back home to Wonderland and turn back the hands of time.
QC Ultimate - I'd recommend visiting the
Ironman Mode
support page and selecting the second option regarding permanent ironman on Old School to get in touch with the support team who can help you further with this.
@ Pippyspot - Similar to leech services, players may advertise for yak card parties, as long as there is no mention of gp amounts, and all negotiations take place in game, rather than on the forums.