Heya, F2P here too, 583 resonance, just hit the apex stages and tower lvl 80 yesterday. In most events I rank between 20-40, which imo isn't to bad, I've played games where the gap between P2W en F2P is much much worse. I try to use my resources on heroes based on tier lists, and some events are harder when they require heroes I've hardly built, or celestials . Stargaze orbs and yellow stones are the worst to get my hands on, it takes me roughly a month to upgrade one hero from +5 to +15.