I had to attend to an urgent personal matter so i had no choice but to afk, this should have been my first offence for competitive games.what kind of punishment would most likely i get?

Recently I as well as a couple of my immortal friends, have come to the conclusion that my main account's rank is completely jacked up. The game is keeping me ascendent 1 although I am easily immoral 1-2. My games in ascendant 1 consist of...