GrimsReaper
with the power he has he's pretty much invincible he can even one hit kill white walkers though night king not so sure
Making the mc attached emotionally to this degree, to an original character, is really a let down. the story started as lone wolf with nothing to lose, now turning into a family man(boy) out of nowhere, the time skip doesn't count cause what matter for a story, is what a reader actually reads or experiences, not "he lived with X for 5 years, now they are family".