I'm playing on a single player mode and I've tried the Phoenix Ranger many times. I suddenly discovered something unusual played a new game again. At first, the Flaming Bow skill could be learned within consecutive levels from Lv7, 8, 9, 10.. and so on. But when I played again, it started at Lv2, then Lv41, then Lv8x... there's a level ladder already. Can someone explain to me this? Hmm..