Meanwhile, Jon had warned Ghost, Winter, and Stormstrider to avoid hunting during the day. If the dragons were seen, one of his greatest advantages would be given up. Winter was technically grown up enough to be ridden with a wingspan of nearly thirty feet, but Jon himself weighed more than 250 pounds. After the body refinement, small growth spurt, ritualistic enhancement and training himself with the use of resistance runes, his muscles, bones, tendons, and organs had become denser and tougher. Winter was bigger than the other two, but he still had some growing to do before Jon could take to the skies on top of his dragon.