thats not 100% true, im f2p, and im still playing cuz i can get a nice rank in sage, usually there are like 3 people with more power than me, ( im currently lvl 78 ) and i can afford getting 1st or 2nd always, doesnt matter if i lose 1-2 times. the point is, u will always have some advantage if ur power is higher than ur level, if u are f2p or u cant afford getting refines paying, the answer is clear, spend in power and freeze level, personally i just avoid 3/5 of the daily missions and wanted missions. After u get ur main to 5* u can skip other daily, and if i think u are super high in myoboku cultivation map u can even skip all the dailies. ( im not sure if it worth ) about 9 tails, if u need to spend lot on 8 gates / equipment, then do it, but try to skip every unnecesaire exp. gl!

i think it is a nice level to stop getting exp, u can claim the 3 main frags daily and the myoboku gift one too. run 9 tails, and skip WM, after lvl 70 keep doing the same, i recommend to finish all the plot missions that gives u the last material to upgrade ur items, i think the last plot is at lv 76, after that stop doing ur new plot missions, those give rlly a lot of exp.

freeze now, but u can finish ur plots till u are able to get all the materials need to maximize ur equipment, that last item is at lv 76 plot i think.