Flash on D vs on F in most popular LOL regions :
π§π· BR - D 54% F 46%
πͺπΊ EUNE - D 64.6% F 35.4%
πͺπΊ EUW - D 60.8% F 39.2%
π―π΅ JP - D 49.1% F 50.9%
π°π· KR - D 23.5% F 76.5%
πΊπΈ NA - D 52.8% F 47.2%
π¦πΊ OCE - D 51.1% F 48.9%
πΉπΌ TW - D 48.4% F 51.6%