according to the link i provided, it is possible to go from honor 0 to honor 1 (or 2?) in 5 days.
since the honor system is live, the only person i know who did it in a few weeks was imaqtipie. and that guy plays like 100 games a day.
when i got my deserved CR and hit honor 1, it took me almost 4 months to get back to h2. without saying anything besides my usual gl hf and gg wp.
AND AGAIN i never SAW ANYONE getting back to honor 2 in less than like 2-3 months.
so my serious question is: if you get reported and literally did nothing, does just the actual report slow down honor progress? because this is the only way i can explain myself how ONE SINGLE PLAYER managed to climb an entire honor lv in 5 days, while everyone else takes legit months to do it.